57404382 has 24 divisors (see below), whose sum is σ = 133553736. Its totient is φ = 16401168.

The previous prime is 57404317. The next prime is 57404407. The reversal of 57404382 is 28340475.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97333 + ... + 97920.

It is an arithmetic number, because the mean of its divisors is an integer number (5564739).

Almost surely, 2^57404382 is an apocalyptic number.

57404382 is an abundant number, since it is smaller than the sum of its proper divisors (76149354).

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

57404382 is a wasteful number, since it uses less digits than its factorization.

57404382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195272 (or 195265 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 57404382 is about 7576.5679565355. The cubic root of 57404382 is about 385.7580656166.

The spelling of 57404382 in words is "fifty-seven million, four hundred four thousand, three hundred eighty-two".