53099983 has 4 divisors (see below), whose sum is σ = 53118760. Its totient is φ = 53081208.

The previous prime is 53099953. The next prime is 53099987. The reversal of 53099983 is 38999035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53099983 - 2²⁵ = 19545551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53099987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4185 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (13279690).

Almost surely, 2^53099983 is an apocalyptic number.

53099983 is a deficient number, since it is larger than the sum of its proper divisors (18777).

53099983 is a wasteful number, since it uses less digits than its factorization.

53099983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18776.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 53099983 is about 7286.9735144297. The cubic root of 53099983 is about 375.8646312722.

The spelling of 53099983 in words is "fifty-three million, ninety-nine thousand, nine hundred eighty-three".