54993599 has 4 divisors (see below), whose sum is σ = 56889960. Its totient is φ = 53097240.

The previous prime is 54993583. The next prime is 54993607. The reversal of 54993599 is 99539945.

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 54993599 - 2⁴ = 54993583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54993599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54993509) 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, 948137 + ... + 948194.

It is an arithmetic number, because the mean of its divisors is an integer number (14222490).

Almost surely, 2^54993599 is an apocalyptic number.

54993599 is a deficient number, since it is larger than the sum of its proper divisors (1896361).

54993599 is a wasteful number, since it uses less digits than its factorization.

54993599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896360.

The product of its digits is 1968300, while the sum is 53.

The square root of 54993599 is about 7415.7669192067. The cubic root of 54993599 is about 380.2804923530.

The spelling of 54993599 in words is "fifty-four million, nine hundred ninety-three thousand, five hundred ninety-nine".