57400216 has 16 divisors (see below), whose sum is σ = 113290200. Its totient is φ = 27189504.

The previous prime is 57400181. The next prime is 57400237. The reversal of 57400216 is 61200475.

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, 188665 + ... + 188968.

Almost surely, 2^57400216 is an apocalyptic number.

It is an amenable number.

57400216 is a deficient number, since it is larger than the sum of its proper divisors (55889984).

57400216 is a wasteful number, since it uses less digits than its factorization.

57400216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377658 (or 377654 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 57400216 is about 7576.2930249562. The cubic root of 57400216 is about 385.7487335359.

The spelling of 57400216 in words is "fifty-seven million, four hundred thousand, two hundred sixteen".