57061250 has 40 divisors (see below), whose sum is σ = 107965440. Its totient is φ = 22610000.

The previous prime is 57061223. The next prime is 57061267. The reversal of 57061250 is 5216075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 238631 + ... + 238869.

It is an arithmetic number, because the mean of its divisors is an integer number (2699136).

Almost surely, 2^57061250 is an apocalyptic number.

57061250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57061250 is a deficient number, since it is larger than the sum of its proper divisors (50904190).

57061250 is a wasteful number, since it uses less digits than its factorization.

57061250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 57061250 is about 7553.8897264919. The cubic root of 57061250 is about 384.9879121409.

The spelling of 57061250 in words is "fifty-seven million, sixty-one thousand, two hundred fifty".