57057250 has 32 divisors (see below), whose sum is σ = 111466368. Its totient is φ = 21828400.

The previous prime is 57057241. The next prime is 57057251. The reversal of 57057250 is 5275075.

It is not an unprimeable number, because it can be changed into a prime (57057251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789 + ... + 10711.

It is an arithmetic number, because the mean of its divisors is an integer number (3483324).

Almost surely, 2^57057250 is an apocalyptic number.

57057250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57057250 is a deficient number, since it is larger than the sum of its proper divisors (54409118).

57057250 is a wasteful number, since it uses less digits than its factorization.

57057250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963 (or 9953 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 57057250 is about 7553.6249575949. The cubic root of 57057250 is about 384.9789160321.

The spelling of 57057250 in words is "fifty-seven million, fifty-seven thousand, two hundred fifty".