64252000056 has 64 divisors (see below), whose sum is σ = 161848627200. Its totient is φ = 21255182208.

The previous prime is 64252000049. The next prime is 64252000067. The reversal of 64252000056 is 65000025246.

It is a super-2 number, since 2×64252000056² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64251999987 and 64252000032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3241905 + ... + 3261663.

It is an arithmetic number, because the mean of its divisors is an integer number (2528884800).

Almost surely, 2^64252000056 is an apocalyptic number.

64252000056 is the 135491-st nonagonal number.

It is an amenable number.

64252000056 is an abundant number, since it is smaller than the sum of its proper divisors (97596627144).

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

64252000056 is a wasteful number, since it uses less digits than its factorization.

64252000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20788 (or 20784 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 64252000056 in words is "sixty-four billion, two hundred fifty-two million, fifty-six", and thus it is an aban number.