55839099144 has 32 divisors (see below), whose sum is σ = 139608252000. Its totient is φ = 18611632512.

The previous prime is 55839099139. The next prime is 55839099149. The reversal of 55839099144 is 44199093855.

It is an interprime number because it is at equal distance from previous prime (55839099139) and next prime (55839099149).

It is not an unprimeable number, because it can be changed into a prime (55839099149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267447 + ... + 428025.

It is an arithmetic number, because the mean of its divisors is an integer number (4362757875).

Almost surely, 2^55839099144 is an apocalyptic number.

It is an amenable number.

55839099144 is an abundant number, since it is smaller than the sum of its proper divisors (83769152856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55839099144 is a wasteful number, since it uses less digits than its factorization.

55839099144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175077 (or 175073 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 55839099144 in words is "fifty-five billion, eight hundred thirty-nine million, ninety-nine thousand, one hundred forty-four".