55388098020 has 96 divisors (see below), whose sum is σ = 160654959360. Its totient is φ = 14247946240.

The previous prime is 55388098001. The next prime is 55388098039. The reversal of 55388098020 is 2089088355.

It is an interprime number because it is at equal distance from previous prime (55388098001) and next prime (55388098039).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92449 + ... + 345431.

It is an arithmetic number, because the mean of its divisors is an integer number (1673489160).

Almost surely, 2^55388098020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55388098020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80327479680).

55388098020 is an abundant number, since it is smaller than the sum of its proper divisors (105266861340).

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

55388098020 is a wasteful number, since it uses less digits than its factorization.

55388098020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253125 (or 253123 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 55388098020 in words is "fifty-five billion, three hundred eighty-eight million, ninety-eight thousand, twenty".