57044905 has 16 divisors (see below), whose sum is σ = 69451200. Its totient is φ = 44976960.

The previous prime is 57044903. The next prime is 57044909. The reversal of 57044905 is 50944075.

It is not a de Polignac number, because 57044905 - 2¹ = 57044903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57044903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146451 + ... + 146839.

It is an arithmetic number, because the mean of its divisors is an integer number (4340700).

Almost surely, 2^57044905 is an apocalyptic number.

It is an amenable number.

57044905 is a deficient number, since it is larger than the sum of its proper divisors (12406295).

57044905 is a wasteful number, since it uses less digits than its factorization.

57044905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 57044905 is about 7552.8077560600. The cubic root of 57044905 is about 384.9511491400.

It can be divided in two parts, 5704 and 4905, that added together give a square (10609 = 103²).

The spelling of 57044905 in words is "fifty-seven million, forty-four thousand, nine hundred five".