56082391 has 6 divisors (see below), whose sum is σ = 57052592. Its totient is φ = 55128420.

The previous prime is 56082373. The next prime is 56082409. The reversal of 56082391 is 19328065.

It is an interprime number because it is at equal distance from previous prime (56082373) and next prime (56082409).

It is not a de Polignac number, because 56082391 - 2⁵ = 56082359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56082361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4575 + ... + 11536.

Almost surely, 2^56082391 is an apocalyptic number.

56082391 is a deficient number, since it is larger than the sum of its proper divisors (970201).

56082391 is an equidigital number, since it uses as much as digits as its factorization.

56082391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16229 (or 16170 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 56082391 is about 7488.8177304565. The cubic root of 56082391 is about 382.7737735563.

The spelling of 56082391 in words is "fifty-six million, eighty-two thousand, three hundred ninety-one".