56101972 has 12 divisors (see below), whose sum is σ = 103953780. Its totient is φ = 26400896.

The previous prime is 56101967. The next prime is 56101993. The reversal of 56101972 is 27910165.

56101972 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17338896 + 38763076 = 4164^2 + 6226^2 .

56101972 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412447 + ... + 412582.

It is an arithmetic number, because the mean of its divisors is an integer number (8662815).

Almost surely, 2^56101972 is an apocalyptic number.

It is an amenable number.

56101972 is a deficient number, since it is larger than the sum of its proper divisors (47851808).

56101972 is a wasteful number, since it uses less digits than its factorization.

56101972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825050 (or 825048 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 56101972 is about 7490.1249655797. The cubic root of 56101972 is about 382.8183164808.

The spelling of 56101972 in words is "fifty-six million, one hundred one thousand, nine hundred seventy-two".