57423331 has 16 divisors (see below), whose sum is σ = 70972416. Its totient is φ = 45334656.

The previous prime is 57423307. The next prime is 57423347. The reversal of 57423331 is 13332475.

It is a cyclic number.

It is not a de Polignac number, because 57423331 - 2⁵ = 57423299 is a prime.

It is a super-2 number, since 2×57423331² = 6594877886271122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57423331.

It is not an unprimeable number, because it can be changed into a prime (57423391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (4435776).

Almost surely, 2^57423331 is an apocalyptic number.

57423331 is a deficient number, since it is larger than the sum of its proper divisors (13549085).

57423331 is a wasteful number, since it uses less digits than its factorization.

57423331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338.

The product of its digits is 7560, while the sum is 28.

The square root of 57423331 is about 7577.8183535896. The cubic root of 57423331 is about 385.8005067751.

The spelling of 57423331 in words is "fifty-seven million, four hundred twenty-three thousand, three hundred thirty-one".