57444717 has 16 divisors (see below), whose sum is σ = 88471872. Its totient is φ = 32766720.

The previous prime is 57444707. The next prime is 57444721. The reversal of 57444717 is 71744475.

It is not a de Polignac number, because 57444717 - 2⁷ = 57444589 is a prime.

It is a super-2 number, since 2×57444717² = 6599791022420178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57444707) 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, 50638 + ... + 51759.

It is an arithmetic number, because the mean of its divisors is an integer number (5529492).

Almost surely, 2^57444717 is an apocalyptic number.

It is an amenable number.

57444717 is a deficient number, since it is larger than the sum of its proper divisors (31027155).

57444717 is a wasteful number, since it uses less digits than its factorization.

57444717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102428.

The product of its digits is 109760, while the sum is 39.

The square root of 57444717 is about 7579.2293143828. The cubic root of 57444717 is about 385.8483950082.

The spelling of 57444717 in words is "fifty-seven million, four hundred forty-four thousand, seven hundred seventeen".