57042894 has 8 divisors (see below), whose sum is σ = 114085800. Its totient is φ = 19014296.

The previous prime is 57042889. The next prime is 57042901. The reversal of 57042894 is 49824075.

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

57042894 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4753569 + ... + 4753580.

It is an arithmetic number, because the mean of its divisors is an integer number (14260725).

Almost surely, 2^57042894 is an apocalyptic number.

57042894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57042894 is a wasteful number, since it uses less digits than its factorization.

57042894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507154.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 57042894 is about 7552.6746255879. The cubic root of 57042894 is about 384.9466255349.

The spelling of 57042894 in words is "fifty-seven million, forty-two thousand, eight hundred ninety-four".