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54215025 = 3522353593
BaseRepresentation
bin1100111011010…
…0000101110001
310210000102000220
43032310011301
5102334340100
65214003253
71225551204
oct316640561
9123012026
1054215025
112866a607
12161a6529
13b302ac7
1472b393b
154b5daa0
hex33b4171

54215025 has 48 divisors (see below), whose sum is σ = 95458176. Its totient is φ = 27089920.

The previous prime is 54215011. The next prime is 54215053. The reversal of 54215025 is 52051245.

It is a happy number.

54215025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54215025 - 24 = 54215009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54214986 and 54215004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91129 + ... + 91721.

It is an arithmetic number, because the mean of its divisors is an integer number (1988712).

Almost surely, 254215025 is an apocalyptic number.

It is an amenable number.

54215025 is a deficient number, since it is larger than the sum of its proper divisors (41243151).

54215025 is a wasteful number, since it uses less digits than its factorization.

54215025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 54215025 is about 7363.0852908275. The cubic root of 54215025 is about 378.4773440949.

The spelling of 54215025 in words is "fifty-four million, two hundred fifteen thousand, twenty-five".

Divisors: 1 3 5 15 23 25 53 69 75 115 159 265 345 575 593 795 1219 1325 1725 1779 2965 3657 3975 6095 8895 13639 14825 18285 30475 31429 40917 44475 68195 91425 94287 157145 204585 340975 471435 722867 785725 1022925 2168601 2357175 3614335 10843005 18071675 54215025