52565721086304 has 120 divisors (see below), whose sum is σ = 154710834794208. Its totient is φ = 17508701733120.

The previous prime is 52565721086303. The next prime is 52565721086321. The reversal of 52565721086304 is 40368012756525.

52565721086304 is a `hidden beast` number, since 5 + 2 + 5 + 6 + 572 + 1 + 0 + 8 + 63 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52565721086303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4201707 + ... + 11080874.

Almost surely, 2^{52565721086304} is an apocalyptic number.

52565721086304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52565721086304 is an abundant number, since it is smaller than the sum of its proper divisors (102145113707904).

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

52565721086304 is a wasteful number, since it uses less digits than its factorization.

52565721086304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15283930 (or 15283913 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 52565721086304 in words is "fifty-two trillion, five hundred sixty-five billion, seven hundred twenty-one million, eighty-six thousand, three hundred four".