56564492258 has 8 divisors (see below), whose sum is σ = 89837723052. Its totient is φ = 26618584576.

The previous prime is 56564492233. The next prime is 56564492261. The reversal of 56564492258 is 85229446565.

56564492258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56105975689 + 458516569 = 236867^2 + 21413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 831830735 + ... + 831830802.

Almost surely, 2^56564492258 is an apocalyptic number.

56564492258 is a deficient number, since it is larger than the sum of its proper divisors (33273230794).

56564492258 is a wasteful number, since it uses less digits than its factorization.

56564492258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663661556.

The product of its digits is 20736000, while the sum is 56.

The spelling of 56564492258 in words is "fifty-six billion, five hundred sixty-four million, four hundred ninety-two thousand, two hundred fifty-eight".