56588591 has 2 divisors, whose sum is σ = 56588592. Its totient is φ = 56588590.

The previous prime is 56588557. The next prime is 56588617. The reversal of 56588591 is 19588565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56588591 - 2⁶ = 56588527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56588531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28294295 + 28294296.

It is an arithmetic number, because the mean of its divisors is an integer number (28294296).

Almost surely, 2^56588591 is an apocalyptic number.

56588591 is a deficient number, since it is larger than the sum of its proper divisors (1).

56588591 is an equidigital number, since it uses as much as digits as its factorization.

56588591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 47.

The square root of 56588591 is about 7522.5388666327. The cubic root of 56588591 is about 383.9219653896.

The spelling of 56588591 in words is "fifty-six million, five hundred eighty-eight thousand, five hundred ninety-one".