56525242464 has 72 divisors (see below), whose sum is σ = 160777110312. Its totient is φ = 18837826560.

The previous prime is 56525242429. The next prime is 56525242481. The reversal of 56525242464 is 46424252565.

56525242464 is a `hidden beast` number, since 5 + 65 + 2 + 524 + 2 + 4 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×56525242464² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1584504 + ... + 1619784.

It is an arithmetic number, because the mean of its divisors is an integer number (2233015421).

Almost surely, 2^56525242464 is an apocalyptic number.

It is an amenable number.

56525242464 is an abundant number, since it is smaller than the sum of its proper divisors (104251867848).

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

56525242464 is a wasteful number, since it uses less digits than its factorization.

56525242464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860 (or 40849 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 56525242464 in words is "fifty-six billion, five hundred twenty-five million, two hundred forty-two thousand, four hundred sixty-four".