57764431 has 8 divisors (see below), whose sum is σ = 61004160. Its totient is φ = 54585432.

The previous prime is 57764417. The next prime is 57764459. The reversal of 57764431 is 13446775.

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 57764431 - 2⁷ = 57764303 is a prime.

It is a super-2 number, since 2×57764431² = 6673458977507522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57764401) 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, 13221 + ... + 17038.

It is an arithmetic number, because the mean of its divisors is an integer number (7625520).

Almost surely, 2^57764431 is an apocalyptic number.

57764431 is a deficient number, since it is larger than the sum of its proper divisors (3239729).

57764431 is a wasteful number, since it uses less digits than its factorization.

57764431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30365.

The product of its digits is 70560, while the sum is 37.

The square root of 57764431 is about 7600.2915075673. The cubic root of 57764431 is about 386.5628963344.

The spelling of 57764431 in words is "fifty-seven million, seven hundred sixty-four thousand, four hundred thirty-one".