55000000550 has 48 divisors (see below), whose sum is σ = 118164727152. Its totient is φ = 18823526400.

The previous prime is 55000000513. The next prime is 55000000571. The reversal of 55000000550 is 5500000055.

It is a happy number.

It is a congruent number.

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, 2931827 + ... + 2950526.

It is an arithmetic number, because the mean of its divisors is an integer number (2461765149).

Almost surely, 2^55000000550 is an apocalyptic number.

55000000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000000550 is an abundant number, since it is smaller than the sum of its proper divisors (63164726602).

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

55000000550 is a wasteful number, since it uses less digits than its factorization.

55000000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882393 (or 5882388 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

It can be divided in two parts, 550000005 and 50, that added together give a palindrome (550000055).

The spelling of 55000000550 in words is "fifty-five billion, five hundred fifty", and thus it is an aban number.