53099793 has 20 divisors (see below), whose sum is σ = 79649460. Its totient is φ = 35253792.

The previous prime is 53099791. The next prime is 53099819. The reversal of 53099793 is 39799035.

It can be written as a sum of positive squares in 2 ways, for example, as 26967249 + 26132544 = 5193^2 + 5112^2 .

It is not a de Polignac number, because 53099793 - 2¹ = 53099791 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53099791) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20571 + ... + 23007.

It is an arithmetic number, because the mean of its divisors is an integer number (3982473).

Almost surely, 2^53099793 is an apocalyptic number.

It is an amenable number.

53099793 is a deficient number, since it is larger than the sum of its proper divisors (26549667).

53099793 is a wasteful number, since it uses less digits than its factorization.

53099793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 229635, while the sum is 45.

The square root of 53099793 is about 7286.9604774556. The cubic root of 53099793 is about 375.8641829710.

The spelling of 53099793 in words is "fifty-three million, ninety-nine thousand, seven hundred ninety-three".