57320500 has 24 divisors (see below), whose sum is σ = 125189064. Its totient is φ = 22928000.

The previous prime is 57320477. The next prime is 57320513. The reversal of 57320500 is 502375.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 57123364 = 444^2 + 7558^2 .

It is a congruent number.

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, 56821 + ... + 57820.

It is an arithmetic number, because the mean of its divisors is an integer number (5216211).

Almost surely, 2^57320500 is an apocalyptic number.

57320500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57320500 is an abundant number, since it is smaller than the sum of its proper divisors (67868564).

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

57320500 is a wasteful number, since it uses less digits than its factorization.

57320500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114660 (or 114648 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 57320500 is about 7571.0303129759. The cubic root of 57320500 is about 385.5700780401.

Adding to 57320500 its reverse (502375), we get a palindrome (57822875).

It can be divided in two parts, 5 and 7320500, that multiplied together give a square (36602500 = 6050²).

The spelling of 57320500 in words is "fifty-seven million, three hundred twenty thousand, five hundred".