53107666 has 8 divisors (see below), whose sum is σ = 81514224. Its totient is φ = 25936260.

The previous prime is 53107601. The next prime is 53107687. The reversal of 53107666 is 66670135.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308680 + ... + 308851.

It is an arithmetic number, because the mean of its divisors is an integer number (10189278).

Almost surely, 2^53107666 is an apocalyptic number.

53107666 is a deficient number, since it is larger than the sum of its proper divisors (28406558).

53107666 is a wasteful number, since it uses less digits than its factorization.

53107666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617576.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 53107666 is about 7287.5006689537. The cubic root of 53107666 is about 375.8827582629.

The spelling of 53107666 in words is "fifty-three million, one hundred seven thousand, six hundred sixty-six".