55500000050 has 24 divisors (see below), whose sum is σ = 112614546672. Its totient is φ = 20181818000.

The previous prime is 55500000043. The next prime is 55500000119. The reversal of 55500000050 is 5000000555.

It is a happy number.

55500000050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55499999968 and 55500000031.

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, 50453996 + ... + 50455095.

It is an arithmetic number, because the mean of its divisors is an integer number (4692272778).

Almost surely, 2^55500000050 is an apocalyptic number.

55500000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55500000050 is an abundant number, since it is smaller than the sum of its proper divisors (57114546622).

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

55500000050 is a wasteful number, since it uses less digits than its factorization.

55500000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100909114 (or 100909109 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, 5 and 5500000050, that added together give a palindrome (5500000055).

The spelling of 55500000050 in words is "fifty-five billion, five hundred million, fifty", and thus it is an aban number.