56310026388 has 72 divisors (see below), whose sum is σ = 166736201184. Its totient is φ = 14625979200.

The previous prime is 56310026369. The next prime is 56310026401. The reversal of 56310026388 is 88362001365.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4346503 + ... + 4359438.

It is an arithmetic number, because the mean of its divisors is an integer number (2315780572).

Almost surely, 2^56310026388 is an apocalyptic number.

It is an amenable number.

56310026388 is an abundant number, since it is smaller than the sum of its proper divisors (110426174796).

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

56310026388 is a wasteful number, since it uses less digits than its factorization.

56310026388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8705973 (or 8705964 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 56310026388 in words is "fifty-six billion, three hundred ten million, twenty-six thousand, three hundred eighty-eight".