56172882 has 32 divisors (see below), whose sum is σ = 115853184. Its totient is φ = 18144000.

The previous prime is 56172881. The next prime is 56172889. The reversal of 56172882 is 28827165.

It is a self number, because there is not a number n which added to its sum of digits gives 56172882.

It is not an unprimeable number, because it can be changed into a prime (56172881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88707 + ... + 89337.

It is an arithmetic number, because the mean of its divisors is an integer number (3620412).

Almost surely, 2^56172882 is an apocalyptic number.

56172882 is an abundant number, since it is smaller than the sum of its proper divisors (59680302).

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

56172882 is a wasteful number, since it uses less digits than its factorization.

56172882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074.

The product of its digits is 53760, while the sum is 39.

The square root of 56172882 is about 7494.8570366619. The cubic root of 56172882 is about 382.9795361135.

The spelling of 56172882 in words is "fifty-six million, one hundred seventy-two thousand, eight hundred eighty-two".