57356880 has 80 divisors (see below), whose sum is σ = 203213184. Its totient is φ = 13109760.

The previous prime is 57356869. The next prime is 57356899. The reversal of 57356880 is 8865375.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 15391 + ... + 18750.

Almost surely, 2^57356880 is an apocalyptic number.

It is an amenable number.

57356880 is an abundant number, since it is smaller than the sum of its proper divisors (145856304).

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

57356880 is a wasteful number, since it uses less digits than its factorization.

57356880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34164 (or 34158 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 57356880 is about 7573.4325110877. The cubic root of 57356880 is about 385.6516316026.

The spelling of 57356880 in words is "fifty-seven million, three hundred fifty-six thousand, eight hundred eighty".