53913599 has 4 divisors (see below), whose sum is σ = 54437136. Its totient is φ = 53390064.

The previous prime is 53913589. The next prime is 53913623. The reversal of 53913599 is 99531935.

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 53913599 - 2¹² = 53909503 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 (53913589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261614 + ... + 261819.

It is an arithmetic number, because the mean of its divisors is an integer number (13609284).

Almost surely, 2^53913599 is an apocalyptic number.

53913599 is a deficient number, since it is larger than the sum of its proper divisors (523537).

53913599 is a wasteful number, since it uses less digits than its factorization.

53913599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523536.

The product of its digits is 164025, while the sum is 44.

The square root of 53913599 is about 7342.5880314777. The cubic root of 53913599 is about 377.7746176559.

The spelling of 53913599 in words is "fifty-three million, nine hundred thirteen thousand, five hundred ninety-nine".