57345250 has 64 divisors (see below), whose sum is σ = 115644672. Its totient is φ = 21216000.

The previous prime is 57345179. The next prime is 57345289. The reversal of 57345250 is 5254375.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437685 + ... + 437815.

It is an arithmetic number, because the mean of its divisors is an integer number (1806948).

Almost surely, 2^57345250 is an apocalyptic number.

57345250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57345250 is an abundant number, since it is smaller than the sum of its proper divisors (58299422).

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

57345250 is a wasteful number, since it uses less digits than its factorization.

57345250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 57345250 is about 7572.6646565129. The cubic root of 57345250 is about 385.6255642174.

The spelling of 57345250 in words is "fifty-seven million, three hundred forty-five thousand, two hundred fifty".