56326109520 has 160 divisors (see below), whose sum is σ = 194613079680. Its totient is φ = 13392691200.

The previous prime is 56326109491. The next prime is 56326109533. The reversal of 56326109520 is 2590162365.

It is a super-2 number, since 2×56326109520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285781 + ... + 440820.

It is an arithmetic number, because the mean of its divisors is an integer number (1216331748).

Almost surely, 2^56326109520 is an apocalyptic number.

It is an amenable number.

56326109520 is an abundant number, since it is smaller than the sum of its proper divisors (138286970160).

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

56326109520 is a wasteful number, since it uses less digits than its factorization.

56326109520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726653 (or 726647 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 56326109520 in words is "fifty-six billion, three hundred twenty-six million, one hundred nine thousand, five hundred twenty".