54819599 has 4 divisors (see below), whose sum is σ = 56709960. Its totient is φ = 52929240.

The previous prime is 54819581. The next prime is 54819619. The reversal of 54819599 is 99591845.

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 54819599 - 2¹² = 54815503 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 (54819559) 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, 945137 + ... + 945194.

It is an arithmetic number, because the mean of its divisors is an integer number (14177490).

Almost surely, 2^54819599 is an apocalyptic number.

54819599 is a deficient number, since it is larger than the sum of its proper divisors (1890361).

54819599 is a wasteful number, since it uses less digits than its factorization.

54819599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890360.

The product of its digits is 583200, while the sum is 50.

The square root of 54819599 is about 7404.0258643524. The cubic root of 54819599 is about 379.8789988705.

The spelling of 54819599 in words is "fifty-four million, eight hundred nineteen thousand, five hundred ninety-nine".