525775057656 has 64 divisors (see below), whose sum is σ = 1391870731680. Its totient is φ = 164935618560.

The previous prime is 525775057651. The next prime is 525775057681. The reversal of 525775057656 is 656750577525.

It is a super-2 number, since 2×525775057656² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525775057656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525775057651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5756860 + ... + 5847476.

Almost surely, 2^525775057656 is an apocalyptic number.

It is an amenable number.

525775057656 is an abundant number, since it is smaller than the sum of its proper divisors (866095674024).

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

525775057656 is a wasteful number, since it uses less digits than its factorization.

525775057656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104864 (or 104860 counting only the distinct ones).

The product of its (nonzero) digits is 77175000, while the sum is 60.

The spelling of 525775057656 in words is "five hundred twenty-five billion, seven hundred seventy-five million, fifty-seven thousand, six hundred fifty-six".