56131051 has 4 divisors (see below), whose sum is σ = 56149632. Its totient is φ = 56112472.

The previous prime is 56131027. The next prime is 56131099. The reversal of 56131051 is 15013165.

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

It is a cyclic number.

It is not a de Polignac number, because 56131051 - 2⁹ = 56130539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56131021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3595 + ... + 11188.

It is an arithmetic number, because the mean of its divisors is an integer number (14037408).

Almost surely, 2^56131051 is an apocalyptic number.

56131051 is a deficient number, since it is larger than the sum of its proper divisors (18581).

56131051 is a wasteful number, since it uses less digits than its factorization.

56131051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18580.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 56131051 is about 7492.0658699720. The cubic root of 56131051 is about 382.8844463669.

The spelling of 56131051 in words is "fifty-six million, one hundred thirty-one thousand, fifty-one".