56172894 has 16 divisors (see below), whose sum is σ = 113505168. Its totient is φ = 18531072.

The previous prime is 56172889. The next prime is 56172917. The reversal of 56172894 is 49827165.

56172894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47677 + ... + 48840.

It is an arithmetic number, because the mean of its divisors is an integer number (7094073).

Almost surely, 2^56172894 is an apocalyptic number.

56172894 is an abundant number, since it is smaller than the sum of its proper divisors (57332274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56172894 is a wasteful number, since it uses less digits than its factorization.

56172894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96619.

The product of its digits is 120960, while the sum is 42.

The square root of 56172894 is about 7494.8578372108. The cubic root of 56172894 is about 382.9795633849.

The spelling of 56172894 in words is "fifty-six million, one hundred seventy-two thousand, eight hundred ninety-four".