57666107 has 4 divisors (see below), whose sum is σ = 59526336. Its totient is φ = 55805880.

The previous prime is 57666101. The next prime is 57666109. The reversal of 57666107 is 70166675.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57666107 - 2²⁴ = 40888891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57666101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930068 + ... + 930129.

It is an arithmetic number, because the mean of its divisors is an integer number (14881584).

Almost surely, 2^57666107 is an apocalyptic number.

57666107 is a deficient number, since it is larger than the sum of its proper divisors (1860229).

57666107 is a wasteful number, since it uses less digits than its factorization.

57666107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860228.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 57666107 is about 7593.8203165469. The cubic root of 57666107 is about 386.3434418167.

The spelling of 57666107 in words is "fifty-seven million, six hundred sixty-six thousand, one hundred seven".