57478408 has 16 divisors (see below), whose sum is σ = 116062380. Its totient is φ = 26528448.

The previous prime is 57478397. The next prime is 57478423. The reversal of 57478408 is 80487475.

It can be written as a sum of positive squares in 2 ways, for example, as 49871844 + 7606564 = 7062^2 + 2758^2 .

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, 276235 + ... + 276442.

Almost surely, 2^57478408 is an apocalyptic number.

It is an amenable number.

57478408 is an abundant number, since it is smaller than the sum of its proper divisors (58583972).

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

57478408 is a wasteful number, since it uses less digits than its factorization.

57478408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552696 (or 552692 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 57478408 is about 7581.4515760506. The cubic root of 57478408 is about 385.9238128962.

The spelling of 57478408 in words is "fifty-seven million, four hundred seventy-eight thousand, four hundred eight".