56171922 has 8 divisors (see below), whose sum is σ = 112343856. Its totient is φ = 18723972.

The previous prime is 56171917. The next prime is 56171933. The reversal of 56171922 is 22917165.

56171922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

56171922 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 4680988 + ... + 4680999.

It is an arithmetic number, because the mean of its divisors is an integer number (14042982).

Almost surely, 2^56171922 is an apocalyptic number.

56171922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56171922 is a wasteful number, since it uses less digits than its factorization.

56171922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361992.

The product of its digits is 7560, while the sum is 33.

The square root of 56171922 is about 7494.7929924715. The cubic root of 56171922 is about 382.9773543819.

The spelling of 56171922 in words is "fifty-six million, one hundred seventy-one thousand, nine hundred twenty-two".