57233081 has 4 divisors (see below), whose sum is σ = 57304464. Its totient is φ = 57161700.

The previous prime is 57233063. The next prime is 57233159. The reversal of 57233081 is 18033275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57233081 - 2⁶ = 57233017 is a prime.

It is a super-2 number, since 2×57233081² = 6551251121505122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57233041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34475 + ... + 36096.

It is an arithmetic number, because the mean of its divisors is an integer number (14326116).

Almost surely, 2^57233081 is an apocalyptic number.

It is an amenable number.

57233081 is a deficient number, since it is larger than the sum of its proper divisors (71383).

57233081 is an equidigital number, since it uses as much as digits as its factorization.

57233081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71382.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 57233081 is about 7565.2548536054. The cubic root of 57233081 is about 385.3739684448.

The spelling of 57233081 in words is "fifty-seven million, two hundred thirty-three thousand, eighty-one".