55055050900 has 18 divisors (see below), whose sum is σ = 119469460670. Its totient is φ = 22022020320.

The previous prime is 55055050891. The next prime is 55055050907. The reversal of 55055050900 is 905055055.

It can be written as a sum of positive squares in 3 ways, for example, as 3798996496 + 51256054404 = 61636^2 + 226398^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055050907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275275155 + ... + 275275354.

Almost surely, 2^55055050900 is an apocalyptic number.

55055050900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55055050900 is an abundant number, since it is smaller than the sum of its proper divisors (64414409770).

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

55055050900 is a wasteful number, since it uses less digits than its factorization.

55055050900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550550523 (or 550550516 counting only the distinct ones).

The product of its (nonzero) digits is 28125, while the sum is 34.

The spelling of 55055050900 in words is "fifty-five billion, fifty-five million, fifty thousand, nine hundred".