54138255899 has 32 divisors (see below), whose sum is σ = 70059838464. Its totient is φ = 40659315840.

The previous prime is 54138255883. The next prime is 54138255911. The reversal of 54138255899 is 99855283145.

54138255899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54138255899 - 2⁴ = 54138255883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54138255499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175457 + ... + 372909.

It is an arithmetic number, because the mean of its divisors is an integer number (2189369952).

Almost surely, 2^54138255899 is an apocalyptic number.

54138255899 is a deficient number, since it is larger than the sum of its proper divisors (15921582565).

54138255899 is a wasteful number, since it uses less digits than its factorization.

54138255899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197627.

The product of its digits is 15552000, while the sum is 59.

The spelling of 54138255899 in words is "fifty-four billion, one hundred thirty-eight million, two hundred fifty-five thousand, eight hundred ninety-nine".