56390045275 has 6 divisors (see below), whose sum is σ = 69923656172. Its totient is φ = 45112036200.

The previous prime is 56390045269. The next prime is 56390045311. The reversal of 56390045275 is 57254009365.

It is a de Polignac number, because none of the positive numbers 2^k-56390045275 is a prime.

It is a super-2 number, since 2×56390045275² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1127800881 + ... + 1127800930.

Almost surely, 2^56390045275 is an apocalyptic number.

56390045275 is a deficient number, since it is larger than the sum of its proper divisors (13533610897).

56390045275 is a wasteful number, since it uses less digits than its factorization.

56390045275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255601821 (or 2255601816 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 56390045275 in words is "fifty-six billion, three hundred ninety million, forty-five thousand, two hundred seventy-five".