57715705 has 8 divisors (see below), whose sum is σ = 69311304. Its totient is φ = 46137600.

The previous prime is 57715703. The next prime is 57715733. The reversal of 57715705 is 50751775.

It can be written as a sum of positive squares in 4 ways, for example, as 1225449 + 56490256 = 1107^2 + 7516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57715705 - 2¹ = 57715703 is a prime.

It is a super-2 number, since 2×57715705² = 6662205207294050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57715703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4545 + ... + 11665.

It is an arithmetic number, because the mean of its divisors is an integer number (8663913).

Almost surely, 2^57715705 is an apocalyptic number.

It is an amenable number.

57715705 is a deficient number, since it is larger than the sum of its proper divisors (11595599).

57715705 is a wasteful number, since it uses less digits than its factorization.

57715705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 42875, while the sum is 37.

The square root of 57715705 is about 7597.0852963489. The cubic root of 57715705 is about 386.4541733596.

It can be divided in two parts, 5771 and 5705, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 57715705 in words is "fifty-seven million, seven hundred fifteen thousand, seven hundred five".