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54777062025 = 3452727432
BaseRepresentation
bin110011000000111101…
…111010001010001001
312020101111201001210000
4303000331322022021
51344140411441100
641055250313213
73646266226200
oct630075721211
9166344631700
1054777062025
112125a2504a4
12a748888809
13521c67284a
142918d5c237
151658e60900
hexcc0f7a289

54777062025 has 135 divisors (see below), whose sum is σ = 118191012951. Its totient is φ = 25007240160.

The previous prime is 54777062017. The next prime is 54777062027. The reversal of 54777062025 is 52026077745.

The square root of 54777062025 is 234045.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19719742329 + 35057319696 = 140427^2 + 187236^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 54777062025 - 23 = 54777062017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (54777062027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 73723804 + ... + 73724546.

Almost surely, 254777062025 is an apocalyptic number.

54777062025 is the 234045-th square number.

54777062025 is the 117023-rd centered octagonal number.

It is an amenable number.

54777062025 is an abundant number, since it is smaller than the sum of its proper divisors (63413950926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54777062025 is an frugal number, since it uses more digits than its factorization.

54777062025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 45.

The spelling of 54777062025 in words is "fifty-four billion, seven hundred seventy-seven million, sixty-two thousand, twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 49 63 75 81 105 135 147 175 189 225 245 315 405 441 525 567 675 735 743 945 1225 1323 1575 2025 2205 2229 2835 3675 3715 3969 4725 5201 6615 6687 11025 11145 14175 15603 18575 19845 20061 26005 33075 33435 36407 46809 55725 60183 78015 99225 100305 109221 130025 140427 167175 182035 234045 300915 327663 390075 421281 501525 546105 552049 702135 910175 982989 1170225 1504575 1638315 1656147 2106405 2730525 2760245 2948967 3510675 3864343 4914945 4968441 8191575 8280735 10532025 11593029 13801225 14744835 14905323 19321715 24574725 24842205 27050401 34779087 41403675 44715969 57965145 73724175 74526615 81151203 96608575 104337261 124211025 135252005 173895435 223579845 243453609 289825725 313011783 372633075 405756015 521686305 676260025 730360827 869477175 1117899225 1217268045 1565058915 2028780075 2191082481 2608431525 3651804135 6086340225 7825294575 10955412405 18259020675 54777062025