57252267 has 12 divisors (see below), whose sum is σ = 86293584. Its totient is φ = 36508560.

The previous prime is 57252259. The next prime is 57252269. The reversal of 57252267 is 76225275.

57252267 is a `hidden beast` number, since 5 + 72 + 522 + 67 = 666.

It is not a de Polignac number, because 57252267 - 2³ = 57252259 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (57252269) 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, 138084 + ... + 138497.

It is an arithmetic number, because the mean of its divisors is an integer number (7191132).

Almost surely, 2^57252267 is an apocalyptic number.

57252267 is a deficient number, since it is larger than the sum of its proper divisors (29041317).

57252267 is a wasteful number, since it uses less digits than its factorization.

57252267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276610 (or 276607 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 57252267 is about 7566.5227813045. The cubic root of 57252267 is about 385.4170260540.

The spelling of 57252267 in words is "fifty-seven million, two hundred fifty-two thousand, two hundred sixty-seven".