57416640 has 56 divisors (see below), whose sum is σ = 182300880. Its totient is φ = 15310848.

The previous prime is 57416621. The next prime is 57416641. The reversal of 57416640 is 4661475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57416641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28945 + ... + 30864.

Almost surely, 2^57416640 is an apocalyptic number.

It is an amenable number.

57416640 is an abundant number, since it is smaller than the sum of its proper divisors (124884240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57416640 is a wasteful number, since it uses less digits than its factorization.

57416640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59829 (or 59819 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 57416640 is about 7577.3768548225. The cubic root of 57416640 is about 385.7855216264.

The spelling of 57416640 in words is "fifty-seven million, four hundred sixteen thousand, six hundred forty".