57266331 has 8 divisors (see below), whose sum is σ = 78818304. Its totient is φ = 36945960.

The previous prime is 57266327. The next prime is 57266333. The reversal of 57266331 is 13366275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57266331 - 2² = 57266327 is a prime.

It is a super-3 number, since 3×57266331³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 57266292 and 57266301.

It is not an unprimeable number, because it can be changed into a prime (57266333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307791 + ... + 307976.

It is an arithmetic number, because the mean of its divisors is an integer number (9852288).

Almost surely, 2^57266331 is an apocalyptic number.

57266331 is a deficient number, since it is larger than the sum of its proper divisors (21551973).

57266331 is a wasteful number, since it uses less digits than its factorization.

57266331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615801.

The product of its digits is 22680, while the sum is 33.

The square root of 57266331 is about 7567.4520811169. The cubic root of 57266331 is about 385.4485826575.

The spelling of 57266331 in words is "fifty-seven million, two hundred sixty-six thousand, three hundred thirty-one".