56251895 has 16 divisors (see below), whose sum is σ = 81684288. Its totient is φ = 36303360.

The previous prime is 56251891. The next prime is 56251901. The reversal of 56251895 is 59815265.

It is not a de Polignac number, because 56251895 - 2² = 56251891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56251891) 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, 46676 + ... + 47865.

It is an arithmetic number, because the mean of its divisors is an integer number (5105268).

Almost surely, 2^56251895 is an apocalyptic number.

56251895 is a deficient number, since it is larger than the sum of its proper divisors (25432393).

56251895 is a wasteful number, since it uses less digits than its factorization.

56251895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94570.

The product of its digits is 108000, while the sum is 41.

The square root of 56251895 is about 7500.1263322693. The cubic root of 56251895 is about 383.1590188340.

The spelling of 56251895 in words is "fifty-six million, two hundred fifty-one thousand, eight hundred ninety-five".