57049086 has 16 divisors (see below), whose sum is σ = 114177168. Its totient is φ = 19003200.

The previous prime is 57049043. The next prime is 57049087. The reversal of 57049086 is 68094075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57049087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10626 + ... + 15066.

It is an arithmetic number, because the mean of its divisors is an integer number (7136073).

Almost surely, 2^57049086 is an apocalyptic number.

57049086 is an abundant number, since it is smaller than the sum of its proper divisors (57128082).

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

57049086 is a wasteful number, since it uses less digits than its factorization.

57049086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 57049086 is about 7553.0845354729. The cubic root of 57049086 is about 384.9605536692.

The spelling of 57049086 in words is "fifty-seven million, forty-nine thousand, eighty-six".