57049206 has 16 divisors (see below), whose sum is σ = 118033200. Its totient is φ = 18360608.

The previous prime is 57049199. The next prime is 57049219. The reversal of 57049206 is 60294075.

It is a super-2 number, since 2×57049206² = 6509223810460872, which contains 22 as substring.

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, 163761 + ... + 164108.

It is an arithmetic number, because the mean of its divisors is an integer number (7377075).

Almost surely, 2^57049206 is an apocalyptic number.

57049206 is an abundant number, since it is smaller than the sum of its proper divisors (60983994).

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

57049206 is a wasteful number, since it uses less digits than its factorization.

57049206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327903.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 57049206 is about 7553.0924792432. The cubic root of 57049206 is about 384.9608235844.

The spelling of 57049206 in words is "fifty-seven million, forty-nine thousand, two hundred six".