100055561550 has 96 divisors (see below), whose sum is σ = 290502906624. Its totient is φ = 22312032000.

The previous prime is 100055561537. The next prime is 100055561587. The reversal of 100055561550 is 55165550001.

It is a super-2 number, since 2×100055561550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1119036 + ... + 1205135.

It is an arithmetic number, because the mean of its divisors is an integer number (3026071944).

Almost surely, 2^100055561550 is an apocalyptic number.

100055561550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100055561550 is an abundant number, since it is smaller than the sum of its proper divisors (190447345074).

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

100055561550 is a wasteful number, since it uses less digits than its factorization.

100055561550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324234 (or 2324229 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 100055561550 in words is "one hundred billion, fifty-five million, five hundred sixty-one thousand, five hundred fifty".