57005244 has 36 divisors (see below), whose sum is σ = 151682440. Its totient is φ = 18001440.

The previous prime is 57005243. The next prime is 57005257. The reversal of 57005244 is 44250075.

57005244 is a `hidden beast` number, since 570 + 0 + 52 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57005243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40987 + ... + 42354.

Almost surely, 2^57005244 is an apocalyptic number.

It is an amenable number.

57005244 is an abundant number, since it is smaller than the sum of its proper divisors (94677196).

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

57005244 is a wasteful number, since it uses less digits than its factorization.

57005244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83370 (or 83365 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 57005244 is about 7550.1817196674. The cubic root of 57005244 is about 384.8619148359.

The spelling of 57005244 in words is "fifty-seven million, five thousand, two hundred forty-four".