57064431 has 8 divisors (see below), whose sum is σ = 78709680. Its totient is φ = 36731072.

The previous prime is 57064379. The next prime is 57064451. The reversal of 57064431 is 13446075.

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 57064431 - 2⁶ = 57064367 is a prime.

It is a super-2 number, since 2×57064431² = 6512698570707522, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57064451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327870 + ... + 328043.

It is an arithmetic number, because the mean of its divisors is an integer number (9838710).

Almost surely, 2^57064431 is an apocalyptic number.

57064431 is a deficient number, since it is larger than the sum of its proper divisors (21645249).

57064431 is a wasteful number, since it uses less digits than its factorization.

57064431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655945.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 57064431 is about 7554.1002773328. The cubic root of 57064431 is about 384.9950659962.

The spelling of 57064431 in words is "fifty-seven million, sixty-four thousand, four hundred thirty-one".