57085250 has 16 divisors (see below), whose sum is σ = 106864056. Its totient is φ = 22834000.

The previous prime is 57085211. The next prime is 57085261. The reversal of 57085250 is 5258075.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21169201 + 35916049 = 4601^2 + 5993^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113921 + ... + 114420.

Almost surely, 2^57085250 is an apocalyptic number.

57085250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57085250 is a deficient number, since it is larger than the sum of its proper divisors (49778806).

57085250 is a wasteful number, since it uses less digits than its factorization.

57085250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228358 (or 228348 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 57085250 is about 7555.4781450283. The cubic root of 57085250 is about 385.0418799666.

The spelling of 57085250 in words is "fifty-seven million, eighty-five thousand, two hundred fifty".