57355244 has 6 divisors (see below), whose sum is σ = 100371684. Its totient is φ = 28677620.

The previous prime is 57355231. The next prime is 57355247. The reversal of 57355244 is 44255375.

It is not an unprimeable number, because it can be changed into a prime (57355247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7169402 + ... + 7169409.

It is an arithmetic number, because the mean of its divisors is an integer number (16728614).

Almost surely, 2^57355244 is an apocalyptic number.

It is an amenable number.

57355244 is a deficient number, since it is larger than the sum of its proper divisors (43016440).

57355244 is a wasteful number, since it uses less digits than its factorization.

57355244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14338815 (or 14338813 counting only the distinct ones).

The product of its digits is 84000, while the sum is 35.

The square root of 57355244 is about 7573.3245011686. The cubic root of 57355244 is about 385.6479648988.

The spelling of 57355244 in words is "fifty-seven million, three hundred fifty-five thousand, two hundred forty-four".