57005331 has 8 divisors (see below), whose sum is σ = 76138944. Its totient is φ = 37937640.

The previous prime is 57005323. The next prime is 57005359. The reversal of 57005331 is 13350075.

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

It is not a de Polignac number, because 57005331 - 2³ = 57005323 is a prime.

It is a super-2 number, since 2×57005331² = 6499215524839122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57005371) 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, 14425 + ... + 17946.

It is an arithmetic number, because the mean of its divisors is an integer number (9517368).

Almost surely, 2^57005331 is an apocalyptic number.

57005331 is a deficient number, since it is larger than the sum of its proper divisors (19133613).

57005331 is a wasteful number, since it uses less digits than its factorization.

57005331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32961.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 57005331 is about 7550.1874811159. The cubic root of 57005331 is about 384.8621106247.

The spelling of 57005331 in words is "fifty-seven million, five thousand, three hundred thirty-one".