57408448 has 14 divisors (see below), whose sum is σ = 113920016. Its totient is φ = 28704192.

The previous prime is 57408419. The next prime is 57408499. The reversal of 57408448 is 84480475.

It is a self number, because there is not a number n which added to its sum of digits gives 57408448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448440 + ... + 448567.

It is an arithmetic number, because the mean of its divisors is an integer number (8137144).

Almost surely, 2^57408448 is an apocalyptic number.

It is an amenable number.

57408448 is a deficient number, since it is larger than the sum of its proper divisors (56511568).

57408448 is an equidigital number, since it uses as much as digits as its factorization.

57408448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897019 (or 897009 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 57408448 is about 7576.8362790811. The cubic root of 57408448 is about 385.7671732561.

The spelling of 57408448 in words is "fifty-seven million, four hundred eight thousand, four hundred forty-eight".