55319000100 has 288 divisors, whose sum is σ = 197474860800. Its totient is φ = 11643125760.

The previous prime is 55319000041. The next prime is 55319000117. The reversal of 55319000100 is 100091355.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12255444 + ... + 12259956.

It is an arithmetic number, because the mean of its divisors is an integer number (685676600).

Almost surely, 2^55319000100 is an apocalyptic number.

55319000100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55319000100 is the 125720-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55319000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98737430400).

55319000100 is an abundant number, since it is smaller than the sum of its proper divisors (142155860700).

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

55319000100 is a wasteful number, since it uses less digits than its factorization.

55319000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999 (or 4992 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 24.

Adding to 55319000100 its reverse (100091355), we get a palindrome (55419091455).

The spelling of 55319000100 in words is "fifty-five billion, three hundred nineteen million, one hundred", and thus it is an aban number.