57200930 has 8 divisors (see below), whose sum is σ = 102961692. Its totient is φ = 22880368.

The previous prime is 57200873. The next prime is 57200953. The reversal of 57200930 is 3900275.

It can be written as a sum of positive squares in 2 ways, for example, as 47018449 + 10182481 = 6857^2 + 3191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57200930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2860037 + ... + 2860056.

Almost surely, 2^57200930 is an apocalyptic number.

57200930 is a deficient number, since it is larger than the sum of its proper divisors (45760762).

57200930 is a wasteful number, since it uses less digits than its factorization.

57200930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720100.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 57200930 is about 7563.1296432099. The cubic root of 57200930 is about 385.3017929416.

The spelling of 57200930 in words is "fifty-seven million, two hundred thousand, nine hundred thirty".