57472216 has 16 divisors (see below), whose sum is σ = 112446000. Its totient is φ = 27486624.

The previous prime is 57472183. The next prime is 57472231. The reversal of 57472216 is 61227475.

It is a super-2 number, since 2×57472216² = 6606111223901312, which contains 22 as substring.

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, 155991 + ... + 156358.

It is an arithmetic number, because the mean of its divisors is an integer number (7027875).

Almost surely, 2^57472216 is an apocalyptic number.

It is an amenable number.

57472216 is a deficient number, since it is larger than the sum of its proper divisors (54973784).

57472216 is a wasteful number, since it uses less digits than its factorization.

57472216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312378 (or 312374 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 57472216 is about 7581.0431999824. The cubic root of 57472216 is about 385.9099542077.

The spelling of 57472216 in words is "fifty-seven million, four hundred seventy-two thousand, two hundred sixteen".