55105510050 has 72 divisors (see below), whose sum is σ = 148098418416. Its totient is φ = 14690010720.

The previous prime is 55105510003. The next prime is 55105510079. The reversal of 55105510050 is 5001550155.

55105510050 is a `hidden beast` number, since 55 + 10 + 551 + 0 + 0 + 50 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55105509996 and 55105510023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1487857 + ... + 1524443.

It is an arithmetic number, because the mean of its divisors is an integer number (2056922478).

Almost surely, 2^55105510050 is an apocalyptic number.

55105510050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55105510050 is an abundant number, since it is smaller than the sum of its proper divisors (92992908366).

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

55105510050 is a wasteful number, since it uses less digits than its factorization.

55105510050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39952 (or 39944 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 55105510050 in words is "fifty-five billion, one hundred five million, five hundred ten thousand, fifty".