56882391 has 16 divisors (see below), whose sum is σ = 80485344. Its totient is φ = 35610624.

The previous prime is 56882383. The next prime is 56882393. The reversal of 56882391 is 19328865.

It is not a de Polignac number, because 56882391 - 2³ = 56882383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56882393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28461 + ... + 30393.

It is an arithmetic number, because the mean of its divisors is an integer number (5030334).

Almost surely, 2^56882391 is an apocalyptic number.

56882391 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56882391 is a deficient number, since it is larger than the sum of its proper divisors (23602953).

56882391 is a wasteful number, since it uses less digits than its factorization.

56882391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530.

The product of its digits is 103680, while the sum is 42.

The square root of 56882391 is about 7542.0415671090. The cubic root of 56882391 is about 384.5852417680.

The spelling of 56882391 in words is "fifty-six million, eight hundred eighty-two thousand, three hundred ninety-one".