57455878 has 8 divisors (see below), whose sum is σ = 86241672. Its totient is φ = 28708656.

The previous prime is 57455861. The next prime is 57455887. The reversal of 57455878 is 87855475.

57455878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5575 + ... + 12082.

It is an arithmetic number, because the mean of its divisors is an integer number (10780209).

Almost surely, 2^57455878 is an apocalyptic number.

57455878 is a deficient number, since it is larger than the sum of its proper divisors (28785794).

57455878 is a wasteful number, since it uses less digits than its factorization.

57455878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286.

The product of its digits is 1568000, while the sum is 49.

The square root of 57455878 is about 7579.9655672041. The cubic root of 57455878 is about 385.8733823658.

The spelling of 57455878 in words is "fifty-seven million, four hundred fifty-five thousand, eight hundred seventy-eight".