57311464 has 16 divisors (see below), whose sum is σ = 122810400. Its totient is φ = 24562032.

The previous prime is 57311459. The next prime is 57311491. The reversal of 57311464 is 46411375.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511654 + ... + 511765.

It is an arithmetic number, because the mean of its divisors is an integer number (7675650).

Almost surely, 2^57311464 is an apocalyptic number.

It is an amenable number.

57311464 is an abundant number, since it is smaller than the sum of its proper divisors (65498936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57311464 is a wasteful number, since it uses less digits than its factorization.

57311464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023432 (or 1023428 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 57311464 is about 7570.4335410860. The cubic root of 57311464 is about 385.5498165611.

It can be divided in two parts, 57311 and 464, that added together give a palindrome (57775).

The spelling of 57311464 in words is "fifty-seven million, three hundred eleven thousand, four hundred sixty-four".