56264591 has 2 divisors, whose sum is σ = 56264592. Its totient is φ = 56264590.

The previous prime is 56264581. The next prime is 56264603. The reversal of 56264591 is 19546265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56264591 - 2¹⁴ = 56248207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56264501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28132295 + 28132296.

It is an arithmetic number, because the mean of its divisors is an integer number (28132296).

Almost surely, 2^56264591 is an apocalyptic number.

56264591 is a deficient number, since it is larger than the sum of its proper divisors (1).

56264591 is an equidigital number, since it uses as much as digits as its factorization.

56264591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 56264591 is about 7500.9726702608. The cubic root of 56264591 is about 383.1878428761.

The spelling of 56264591 in words is "fifty-six million, two hundred sixty-four thousand, five hundred ninety-one".