56258790436 has 12 divisors (see below), whose sum is σ = 100310485212. Its totient is φ = 27598651808.

The previous prime is 56258790407. The next prime is 56258790443. The reversal of 56258790436 is 63409785265.

It can be written as a sum of positive squares in 2 ways, for example, as 45478121536 + 10780668900 = 213256^2 + 103830^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132685615 + ... + 132686038.

It is an arithmetic number, because the mean of its divisors is an integer number (8359207101).

Almost surely, 2^56258790436 is an apocalyptic number.

It is an amenable number.

56258790436 is a deficient number, since it is larger than the sum of its proper divisors (44051694776).

56258790436 is a wasteful number, since it uses less digits than its factorization.

56258790436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265371710 (or 265371708 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 56258790436 in words is "fifty-six billion, two hundred fifty-eight million, seven hundred ninety thousand, four hundred thirty-six".