53998764 has 24 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 17958864.

The previous prime is 53998753. The next prime is 53998771. The reversal of 53998764 is 46789935.

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, 697 + ... + 10415.

It is an arithmetic number, because the mean of its divisors is an integer number (5261760).

Almost surely, 2^53998764 is an apocalyptic number.

It is an amenable number.

53998764 is an abundant number, since it is smaller than the sum of its proper divisors (72283476).

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

53998764 is a wasteful number, since it uses less digits than its factorization.

53998764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189 (or 10187 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The square root of 53998764 is about 7348.3851287205. The cubic root of 53998764 is about 377.9734311272.

The spelling of 53998764 in words is "fifty-three million, nine hundred ninety-eight thousand, seven hundred sixty-four".