55550055050 has 24 divisors (see below), whose sum is σ = 118083546336. Its totient is φ = 19045733040.

The previous prime is 55550055023. The next prime is 55550055053. The reversal of 55550055050 is 5055005555.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 55550055050.

It is not an unprimeable number, because it can be changed into a prime (55550055053) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 79356872 + ... + 79357571.

It is an arithmetic number, because the mean of its divisors is an integer number (4920147764).

Almost surely, 2^55550055050 is an apocalyptic number.

55550055050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55550055050 is an abundant number, since it is smaller than the sum of its proper divisors (62533491286).

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

55550055050 is a wasteful number, since it uses less digits than its factorization.

55550055050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158714462 (or 158714457 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55550055050 in words is "fifty-five billion, five hundred fifty million, fifty-five thousand, fifty".