53166660 has 48 divisors (see below), whose sum is σ = 149352000. Its totient is φ = 14131584.

The previous prime is 53166653. The next prime is 53166683. The reversal of 53166660 is 6666135.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19671 + ... + 22209.

It is an arithmetic number, because the mean of its divisors is an integer number (3111500).

Almost surely, 2^53166660 is an apocalyptic number.

It is an amenable number.

53166660 is an abundant number, since it is smaller than the sum of its proper divisors (96185340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53166660 is a wasteful number, since it uses less digits than its factorization.

53166660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900 (or 2898 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 53166660 is about 7291.5471609255. The cubic root of 53166660 is about 376.0218883440.

The spelling of 53166660 in words is "fifty-three million, one hundred sixty-six thousand, six hundred sixty".