55550550055050 has 36 divisors (see below), whose sum is σ = 149245811149110. Its totient is φ = 14813480014560.

The previous prime is 55550550055003. The next prime is 55550550055087. The reversal of 55550550055050 is 5055005505555.

55550550055050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 27298252901529 + 28252297153521 = 5224773^2 + 5315289^2 .

It is a super-2 number, since 2×55550550055050² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55550550054987 and 55550550055005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61722832945 + ... + 61722833844.

Almost surely, 2^{55550550055050} is an apocalyptic number.

55550550055050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55550550055050 is an abundant number, since it is smaller than the sum of its proper divisors (93695261094060).

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

55550550055050 is a wasteful number, since it uses less digits than its factorization.

55550550055050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123445666807 (or 123445666799 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 55550550055050 in words is "fifty-five trillion, five hundred fifty billion, five hundred fifty million, fifty-five thousand, fifty".