57078894 has 16 divisors (see below), whose sum is σ = 120873168. Its totient is φ = 17907072.

The previous prime is 57078887. The next prime is 57078913. The reversal of 57078894 is 49887075.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279697 + ... + 279900.

It is an arithmetic number, because the mean of its divisors is an integer number (7554573).

Almost surely, 2^57078894 is an apocalyptic number.

57078894 is an abundant number, since it is smaller than the sum of its proper divisors (63794274).

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

57078894 is a wasteful number, since it uses less digits than its factorization.

57078894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559619.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 57078894 is about 7555.0575113628. The cubic root of 57078894 is about 385.0275889601.

The spelling of 57078894 in words is "fifty-seven million, seventy-eight thousand, eight hundred ninety-four".