57500389 has 8 divisors (see below), whose sum is σ = 59109912. Its totient is φ = 55910400.

The previous prime is 57500383. The next prime is 57500413. The reversal of 57500389 is 98300575.

It can be written as a sum of positive squares in 4 ways, for example, as 5904900 + 51595489 = 2430^2 + 7183^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57500389 - 2⁵ = 57500357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57500383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (7388739).

Almost surely, 2^57500389 is an apocalyptic number.

It is an amenable number.

57500389 is a deficient number, since it is larger than the sum of its proper divisors (1609523).

57500389 is a wasteful number, since it uses less digits than its factorization.

57500389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9767.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 57500389 is about 7582.9010939086. The cubic root of 57500389 is about 385.9730018612.

The spelling of 57500389 in words is "fifty-seven million, five hundred thousand, three hundred eighty-nine".