54399719203 has 4 divisors (see below), whose sum is σ = 54403498600. Its totient is φ = 54395939808.

The previous prime is 54399719183. The next prime is 54399719219. The reversal of 54399719203 is 30291799345.

It is a happy number.

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 54399719203 - 2²¹ = 54397622051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54399719233) 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, 1868025 + ... + 1896922.

It is an arithmetic number, because the mean of its divisors is an integer number (13600874650).

Almost surely, 2^54399719203 is an apocalyptic number.

54399719203 is a deficient number, since it is larger than the sum of its proper divisors (3779397).

54399719203 is a wasteful number, since it uses less digits than its factorization.

54399719203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779396.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 54399719203 in words is "fifty-four billion, three hundred ninety-nine million, seven hundred nineteen thousand, two hundred three".