57500130 has 32 divisors (see below), whose sum is σ = 139003200. Its totient is φ = 15221952.

The previous prime is 57500123. The next prime is 57500147. The reversal of 57500130 is 3100575.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57500097 and 57500106.

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, 2725 + ... + 11064.

It is an arithmetic number, because the mean of its divisors is an integer number (4343850).

Almost surely, 2^57500130 is an apocalyptic number.

57500130 is an abundant number, since it is smaller than the sum of its proper divisors (81503070).

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

57500130 is a wasteful number, since it uses less digits than its factorization.

57500130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 57500130 is about 7582.8840159929. The cubic root of 57500130 is about 385.9724223454.

It can be divided in two parts, 57500 and 130, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 57500130 in words is "fifty-seven million, five hundred thousand, one hundred thirty".