56212172 has 24 divisors (see below), whose sum is σ = 99884400. Its totient is φ = 27677376.

The previous prime is 56212153. The next prime is 56212181. The reversal of 56212172 is 27121265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99563 + ... + 100125.

It is an arithmetic number, because the mean of its divisors is an integer number (4161850).

Almost surely, 2^56212172 is an apocalyptic number.

It is an amenable number.

56212172 is a deficient number, since it is larger than the sum of its proper divisors (43672228).

56212172 is a wasteful number, since it uses less digits than its factorization.

56212172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 56212172 is about 7497.4777092033. The cubic root of 56212172 is about 383.0688067042.

The spelling of 56212172 in words is "fifty-six million, two hundred twelve thousand, one hundred seventy-two".