53365166 has 4 divisors (see below), whose sum is σ = 80047752. Its totient is φ = 26682582.

The previous prime is 53365157. The next prime is 53365171. The reversal of 53365166 is 66156335.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13341290 + ... + 13341293.

It is an arithmetic number, because the mean of its divisors is an integer number (20011938).

Almost surely, 2^53365166 is an apocalyptic number.

53365166 is a deficient number, since it is larger than the sum of its proper divisors (26682586).

53365166 is a wasteful number, since it uses less digits than its factorization.

53365166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26682585.

The product of its digits is 48600, while the sum is 35.

The square root of 53365166 is about 7305.1465419935. The cubic root of 53365166 is about 376.4892858734.

The spelling of 53365166 in words is "fifty-three million, three hundred sixty-five thousand, one hundred sixty-six".