56912279535 has 160 divisors (see below), whose sum is σ = 108617034240. Its totient is φ = 28496033280.

The previous prime is 56912279521. The next prime is 56912279537. The reversal of 56912279535 is 53597221965.

56912279535 is a `hidden beast` number, since 569 + 1 + 2 + 2 + 79 + 5 + 3 + 5 = 666.

It is not a de Polignac number, because 56912279535 - 2⁵ = 56912279503 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

Its product of digits (5103000) is a multiple of the sum of its prime factors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56912279537) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 639463771 + ... + 639463859.

It is an arithmetic number, because the mean of its divisors is an integer number (678856464).

Almost surely, 2^56912279535 is an apocalyptic number.

56912279535 is a deficient number, since it is larger than the sum of its proper divisors (51704754705).

56912279535 is an frugal number, since it uses more digits than its factorization.

56912279535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 181 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 54.

The spelling of 56912279535 in words is "fifty-six billion, nine hundred twelve million, two hundred seventy-nine thousand, five hundred thirty-five".