56356131 has 16 divisors (see below), whose sum is σ = 82251680. Its totient is φ = 34110720.

The previous prime is 56356117. The next prime is 56356169. The reversal of 56356131 is 13165365.

It is not a de Polignac number, because 56356131 - 2⁶ = 56356067 is a prime.

It is a super-2 number, since 2×56356131² = 6352027002578322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56356031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9466 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (5140730).

Almost surely, 2^56356131 is an apocalyptic number.

56356131 is a deficient number, since it is larger than the sum of its proper divisors (25895549).

56356131 is a wasteful number, since it uses less digits than its factorization.

56356131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23766.

The product of its digits is 8100, while the sum is 30.

The square root of 56356131 is about 7507.0720657258. The cubic root of 56356131 is about 383.3955401672.

The spelling of 56356131 in words is "fifty-six million, three hundred fifty-six thousand, one hundred thirty-one".