57266131 has 8 divisors (see below), whose sum is σ = 61850880. Its totient is φ = 52707072.

The previous prime is 57266123. The next prime is 57266147. The reversal of 57266131 is 13166275.

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 57266131 - 2³ = 57266123 is a prime.

It is a super-2 number, since 2×57266131² = 6558819519418322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57266093 and 57266102.

It is not an unprimeable number, because it can be changed into a prime (57266101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1651 + ... + 10828.

It is an arithmetic number, because the mean of its divisors is an integer number (7731360).

Almost surely, 2^57266131 is an apocalyptic number.

57266131 is a deficient number, since it is larger than the sum of its proper divisors (4584749).

57266131 is a wasteful number, since it uses less digits than its factorization.

57266131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12845.

The product of its digits is 7560, while the sum is 31.

The square root of 57266131 is about 7567.4388666180. The cubic root of 57266131 is about 385.4481339366.

The spelling of 57266131 in words is "fifty-seven million, two hundred sixty-six thousand, one hundred thirty-one".