57694464 has 144 divisors (see below), whose sum is σ = 181016640. Its totient is φ = 18063360.

The previous prime is 57694457. The next prime is 57694477. The reversal of 57694464 is 46449675.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117259 + ... + 117749.

It is an arithmetic number, because the mean of its divisors is an integer number (1257060).

Almost surely, 2^57694464 is an apocalyptic number.

57694464 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57694464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90508320).

57694464 is an abundant number, since it is smaller than the sum of its proper divisors (123322176).

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

57694464 is a wasteful number, since it uses less digits than its factorization.

57694464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 513 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 57694464 is about 7595.6871973509. The cubic root of 57694464 is about 386.4067588803.

The spelling of 57694464 in words is "fifty-seven million, six hundred ninety-four thousand, four hundred sixty-four".