57072116 has 48 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 26113920.

The previous prime is 57072109. The next prime is 57072151. The reversal of 57072116 is 61127075.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212030 + ... + 212298.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^57072116 is an apocalyptic number.

It is an amenable number.

57072116 is a deficient number, since it is larger than the sum of its proper divisors (51791884).

57072116 is a wasteful number, since it uses less digits than its factorization.

57072116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 57072116 is about 7554.6089243587. The cubic root of 57072116 is about 385.0123479483.

The spelling of 57072116 in words is "fifty-seven million, seventy-two thousand, one hundred sixteen".