55000500000550 has 24 divisors (see below), whose sum is σ = 110170232310096. Its totient is φ = 20307876923040.

The previous prime is 55000500000527. The next prime is 55000500000577. The reversal of 55000500000550 is 5500000500055.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42308076274 + ... + 42308077573.

It is an arithmetic number, because the mean of its divisors is an integer number (4590426346254).

Almost surely, 2^{55000500000550} is an apocalyptic number.

55000500000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55000500000550 is an abundant number, since it is smaller than the sum of its proper divisors (55169732309546).

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

55000500000550 is a wasteful number, since it uses less digits than its factorization.

55000500000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84616153872 (or 84616153867 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 55000500000550 in words is "fifty-five trillion, five hundred million, five hundred fifty", and thus it is an aban number.