57372530 has 24 divisors (see below), whose sum is σ = 105881796. Its totient is φ = 22382720.

The previous prime is 57372529. The next prime is 57372547. The reversal of 57372530 is 3527375.

It can be written as a sum of positive squares in 6 ways, for example, as 9665881 + 47706649 = 3109^2 + 6907^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15104 + ... + 18516.

Almost surely, 2^57372530 is an apocalyptic number.

57372530 is a deficient number, since it is larger than the sum of its proper divisors (48509266).

57372530 is a wasteful number, since it uses less digits than its factorization.

57372530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3461 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 57372530 is about 7574.4656577213. The cubic root of 57372530 is about 385.6867038217.

The spelling of 57372530 in words is "fifty-seven million, three hundred seventy-two thousand, five hundred thirty".