53016505 has 8 divisors (see below), whose sum is σ = 64425600. Its totient is φ = 41876016.

The previous prime is 53016487. The next prime is 53016511. The reversal of 53016505 is 50561035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53016505 - 2⁵ = 53016473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53016505.

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, 66715 + ... + 67504.

It is an arithmetic number, because the mean of its divisors is an integer number (8053200).

Almost surely, 2^53016505 is an apocalyptic number.

It is an amenable number.

53016505 is a deficient number, since it is larger than the sum of its proper divisors (11409095).

53016505 is a wasteful number, since it uses less digits than its factorization.

53016505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134303.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 53016505 is about 7281.2433690957. The cubic root of 53016505 is about 375.6675635113.

The spelling of 53016505 in words is "fifty-three million, sixteen thousand, five hundred five".