56554831 has 2 divisors, whose sum is σ = 56554832. Its totient is φ = 56554830.

The previous prime is 56554793. The next prime is 56554859. The reversal of 56554831 is 13845565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56554831 - 2⁹ = 56554319 is a prime.

It is a super-2 number, since 2×56554831² = 6396897818877122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56654831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28277415 + 28277416.

It is an arithmetic number, because the mean of its divisors is an integer number (28277416).

Almost surely, 2^56554831 is an apocalyptic number.

56554831 is a deficient number, since it is larger than the sum of its proper divisors (1).

56554831 is an equidigital number, since it uses as much as digits as its factorization.

56554831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 37.

The square root of 56554831 is about 7520.2946085908. The cubic root of 56554831 is about 383.8456026242.

The spelling of 56554831 in words is "fifty-six million, five hundred fifty-four thousand, eight hundred thirty-one".