57272499 has 12 divisors (see below), whose sum is σ = 83501496. Its totient is φ = 37824192.

The previous prime is 57272491. The next prime is 57272503. The reversal of 57272499 is 99427275.

57272499 is a `hidden beast` number, since 572 + 72 + 4 + 9 + 9 = 666.

It is not a de Polignac number, because 57272499 - 2³ = 57272491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57272491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28774 + ... + 30699.

It is an arithmetic number, because the mean of its divisors is an integer number (6958458).

Almost surely, 2^57272499 is an apocalyptic number.

57272499 is a deficient number, since it is larger than the sum of its proper divisors (26228997).

57272499 is a wasteful number, since it uses less digits than its factorization.

57272499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59586 (or 59583 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 57272499 is about 7567.8596049345. The cubic root of 57272499 is about 385.4624206985.

The spelling of 57272499 in words is "fifty-seven million, two hundred seventy-two thousand, four hundred ninety-nine".