Search a number
-
+
54335220552 = 233491572
BaseRepresentation
bin110010100110101000…
…011010101101001000
312012020201022012020000
4302212220122231020
51342234304024202
640543344203000
73632322516504
oct624650325510
9165221265200
1054335220552
11210528a7458
12a644909460
13517bc714a2
1428b63c5304
15163028491c
hexca6a1ab48

54335220552 has 60 divisors (see below), whose sum is σ = 152205549705. Its totient is φ = 18109762272.

The previous prime is 54335220509. The next prime is 54335220553. The reversal of 54335220552 is 25502253345.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

54335220552 is a `hidden beast` number, since 5 + 4 + 33 + 52 + 20 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45550657476 + 8784563076 = 213426^2 + 93726^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=164826.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (54335220553) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5929158 + ... + 5938314.

Almost surely, 254335220552 is an apocalyptic number.

It is an amenable number.

54335220552 is an abundant number, since it is smaller than the sum of its proper divisors (97870329153).

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

54335220552 is an frugal number, since it uses more digits than its factorization.

54335220552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332 (or 9162 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 54335220552 its reverse (25502253345), we get a palindrome (79837473897).

The spelling of 54335220552 in words is "fifty-four billion, three hundred thirty-five million, two hundred twenty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 9157 18314 27471 36628 54942 73256 82413 109884 164826 219768 247239 329652 494478 659304 741717 988956 1483434 1977912 2966868 5933736 83850649 167701298 251551947 335402596 503103894 670805192 754655841 1006207788 1509311682 2012415576 2263967523 3018623364 4527935046 6037246728 6791902569 9055870092 13583805138 18111740184 27167610276 54335220552