53992516 has 12 divisors (see below), whose sum is σ = 94630032. Its totient is φ = 26955368.

The previous prime is 53992513. The next prime is 53992517. The reversal of 53992516 is 61529935.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (53992511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7150 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (7885836).

Almost surely, 2^53992516 is an apocalyptic number.

It is an amenable number.

53992516 is a deficient number, since it is larger than the sum of its proper divisors (40637516).

53992516 is a wasteful number, since it uses less digits than its factorization.

53992516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20450 (or 20448 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 53992516 is about 7347.9599890038. The cubic root of 53992516 is about 377.9588525892.

The spelling of 53992516 in words is "fifty-three million, nine hundred ninety-two thousand, five hundred sixteen".