53915766 has 16 divisors (see below), whose sum is σ = 107951664. Its totient is φ = 17951904.

The previous prime is 53915759. The next prime is 53915791. The reversal of 53915766 is 66751935.

It is a happy number.

It is a congruent 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, 1476 + ... + 10488.

It is an arithmetic number, because the mean of its divisors is an integer number (6746979).

Almost surely, 2^53915766 is an apocalyptic number.

53915766 is an abundant number, since it is smaller than the sum of its proper divisors (54035898).

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

53915766 is a wasteful number, since it uses less digits than its factorization.

53915766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015.

The product of its digits is 170100, while the sum is 42.

The square root of 53915766 is about 7342.7355937689. The cubic root of 53915766 is about 377.7796790049.

The spelling of 53915766 in words is "fifty-three million, nine hundred fifteen thousand, seven hundred sixty-six".