56933131 has 2 divisors, whose sum is σ = 56933132. Its totient is φ = 56933130.

The previous prime is 56933113. The next prime is 56933137. The reversal of 56933131 is 13133965.

Together with previous prime (56933113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56933131 - 2⁵ = 56933099 is a prime.

It is a super-2 number, since 2×56933131² = 6482762810926322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56933093 and 56933102.

It is not a weakly prime, because it can be changed into another prime (56933137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28466565 + 28466566.

It is an arithmetic number, because the mean of its divisors is an integer number (28466566).

Almost surely, 2^56933131 is an apocalyptic number.

56933131 is a deficient number, since it is larger than the sum of its proper divisors (1).

56933131 is an equidigital number, since it uses as much as digits as its factorization.

56933131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 31.

The square root of 56933131 is about 7545.4046279838. The cubic root of 56933131 is about 384.6995598400.

The spelling of 56933131 in words is "fifty-six million, nine hundred thirty-three thousand, one hundred thirty-one".