57665105 has 8 divisors (see below), whose sum is σ = 73268712. Its totient is φ = 43418368.

The previous prime is 57665089. The next prime is 57665149. The reversal of 57665105 is 50156675.

It can be written as a sum of positive squares in 4 ways, for example, as 2430481 + 55234624 = 1559^2 + 7432^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57665105 - 2⁴ = 57665089 is a prime.

It is a super-2 number, since 2×57665105² = 6650528669322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339122 + ... + 339291.

It is an arithmetic number, because the mean of its divisors is an integer number (9158589).

Almost surely, 2^57665105 is an apocalyptic number.

It is an amenable number.

57665105 is a deficient number, since it is larger than the sum of its proper divisors (15603607).

57665105 is a wasteful number, since it uses less digits than its factorization.

57665105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678435.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 57665105 is about 7593.7543415625. The cubic root of 57665105 is about 386.3412041165.

The spelling of 57665105 in words is "fifty-seven million, six hundred sixty-five thousand, one hundred five".