56331593 has 2 divisors, whose sum is σ = 56331594. Its totient is φ = 56331592.

The previous prime is 56331553. The next prime is 56331629. The reversal of 56331593 is 39513365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53465344 + 2866249 = 7312^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 56331593 - 2⁸ = 56331337 is a prime.

It is not a weakly prime, because it can be changed into another prime (56331533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28165796 + 28165797.

It is an arithmetic number, because the mean of its divisors is an integer number (28165797).

Almost surely, 2^56331593 is an apocalyptic number.

It is an amenable number.

56331593 is a deficient number, since it is larger than the sum of its proper divisors (1).

56331593 is an equidigital number, since it uses as much as digits as its factorization.

56331593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 35.

The square root of 56331593 is about 7505.4375621945. The cubic root of 56331593 is about 383.3398873906.

The spelling of 56331593 in words is "fifty-six million, three hundred thirty-one thousand, five hundred ninety-three".