56745250655 has 4 divisors (see below), whose sum is σ = 68094300792. Its totient is φ = 45396200520.

The previous prime is 56745250633. The next prime is 56745250669. The reversal of 56745250655 is 55605254765.

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

It is not a de Polignac number, because 56745250655 - 2²⁶ = 56678141791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5674525061 + ... + 5674525070.

It is an arithmetic number, because the mean of its divisors is an integer number (17023575198).

Almost surely, 2^56745250655 is an apocalyptic number.

56745250655 is a deficient number, since it is larger than the sum of its proper divisors (11349050137).

56745250655 is a wasteful number, since it uses less digits than its factorization.

56745250655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349050136.

The product of its (nonzero) digits is 6300000, while the sum is 50.

The spelling of 56745250655 in words is "fifty-six billion, seven hundred forty-five million, two hundred fifty thousand, six hundred fifty-five".