55510105800 has 96 divisors (see below), whose sum is σ = 172767379680. Its totient is φ = 14743680000.

The previous prime is 55510105771. The next prime is 55510105813. The reversal of 55510105800 is 850101555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33697 + ... + 334896.

It is an arithmetic number, because the mean of its divisors is an integer number (1799660205).

Almost surely, 2^55510105800 is an apocalyptic number.

55510105800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55510105800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86383689840).

55510105800 is an abundant number, since it is smaller than the sum of its proper divisors (117257273880).

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

55510105800 is a wasteful number, since it uses less digits than its factorization.

55510105800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368863 (or 368854 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 55510105800 in words is "fifty-five billion, five hundred ten million, one hundred five thousand, eight hundred".