56200520555 has 4 divisors (see below), whose sum is σ = 67440624672. Its totient is φ = 44960416440.

The previous prime is 56200520503. The next prime is 56200520557. The reversal of 56200520555 is 55502500265.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-56200520555 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56200520557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5620052051 + ... + 5620052060.

It is an arithmetic number, because the mean of its divisors is an integer number (16860156168).

Almost surely, 2^56200520555 is an apocalyptic number.

56200520555 is a deficient number, since it is larger than the sum of its proper divisors (11240104117).

56200520555 is a wasteful number, since it uses less digits than its factorization.

56200520555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240104116.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 56200520555 in words is "fifty-six billion, two hundred million, five hundred twenty thousand, five hundred fifty-five".