53516505 has 16 divisors (see below), whose sum is σ = 97858944. Its totient is φ = 24464640.

The previous prime is 53516497. The next prime is 53516531. The reversal of 53516505 is 50561535.

It is not a de Polignac number, because 53516505 - 2³ = 53516497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254736 + ... + 254945.

It is an arithmetic number, because the mean of its divisors is an integer number (6116184).

Almost surely, 2^53516505 is an apocalyptic number.

It is an amenable number.

53516505 is a deficient number, since it is larger than the sum of its proper divisors (44342439).

53516505 is a wasteful number, since it uses less digits than its factorization.

53516505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509696.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 53516505 is about 7315.4975907316. The cubic root of 53516505 is about 376.8448470000.

The spelling of 53516505 in words is "fifty-three million, five hundred sixteen thousand, five hundred five".