57272937 has 4 divisors (see below), whose sum is σ = 76363920. Its totient is φ = 38181956.

The previous prime is 57272933. The next prime is 57272951. The reversal of 57272937 is 73927275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57272937 - 2² = 57272933 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57272933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545487 + ... + 9545492.

It is an arithmetic number, because the mean of its divisors is an integer number (19090980).

Almost surely, 2^57272937 is an apocalyptic number.

It is an amenable number.

57272937 is a deficient number, since it is larger than the sum of its proper divisors (19090983).

57272937 is a wasteful number, since it uses less digits than its factorization.

57272937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19090982.

The product of its digits is 185220, while the sum is 42.

The square root of 57272937 is about 7567.8885430482. Note that the first 3 decimals coincide. The cubic root of 57272937 is about 385.4634033232.

The spelling of 57272937 in words is "fifty-seven million, two hundred seventy-two thousand, nine hundred thirty-seven".