57644396 has 12 divisors (see below), whose sum is σ = 100959600. Its totient is φ = 28798800.

The previous prime is 57644393. The next prime is 57644449. The reversal of 57644396 is 69344675.

It is not an unprimeable number, because it can be changed into a prime (57644393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446 + ... + 10746.

It is an arithmetic number, because the mean of its divisors is an integer number (8413300).

Almost surely, 2^57644396 is an apocalyptic number.

It is an amenable number.

57644396 is a deficient number, since it is larger than the sum of its proper divisors (43315204).

57644396 is a wasteful number, since it uses less digits than its factorization.

57644396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11704 (or 11702 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 57644396 is about 7592.3906643428. The cubic root of 57644396 is about 386.2949502746.

The spelling of 57644396 in words is "fifty-seven million, six hundred forty-four thousand, three hundred ninety-six".