53916513 has 32 divisors (see below), whose sum is σ = 84633600. Its totient is φ = 30517200.

The previous prime is 53916491. The next prime is 53916521. The reversal of 53916513 is 31561935.

It is not a de Polignac number, because 53916513 - 2⁹ = 53916001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53916113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155206 + ... + 155552.

It is an arithmetic number, because the mean of its divisors is an integer number (2644800).

Almost surely, 2^53916513 is an apocalyptic number.

It is an amenable number.

53916513 is a deficient number, since it is larger than the sum of its proper divisors (30717087).

53916513 is a wasteful number, since it uses less digits than its factorization.

53916513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 508 counting only the distinct ones).

The product of its digits is 12150, while the sum is 33.

The square root of 53916513 is about 7342.7864601934. The cubic root of 53916513 is about 377.7814237025.

The spelling of 53916513 in words is "fifty-three million, nine hundred sixteen thousand, five hundred thirteen".