53315933 has 16 divisors (see below), whose sum is σ = 59875200. Its totient is φ = 47062080.

The previous prime is 53315929. The next prime is 53315947. The reversal of 53315933 is 33951335.

It is a cyclic number.

It is not a de Polignac number, because 53315933 - 2² = 53315929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53315933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53315033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63128 + ... + 63966.

It is an arithmetic number, because the mean of its divisors is an integer number (3742200).

Almost surely, 2^53315933 is an apocalyptic number.

53315933 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53315933 is a deficient number, since it is larger than the sum of its proper divisors (6559267).

53315933 is a wasteful number, since it uses less digits than its factorization.

53315933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012.

The product of its digits is 18225, while the sum is 32.

The square root of 53315933 is about 7301.7760168332. The cubic root of 53315933 is about 376.3734712483.

The spelling of 53315933 in words is "fifty-three million, three hundred fifteen thousand, nine hundred thirty-three".