50555005055550 has 96 divisors (see below), whose sum is σ = 139423899915360. Its totient is φ = 13470033888000.

The previous prime is 50555005055491. The next prime is 50555005055563. The reversal of 50555005055550 is 5555050055505.

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 = 50555005055496 and 50555005055505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14084401 + ... + 17305500.

It is an arithmetic number, because the mean of its divisors is an integer number (1452332290785).

Almost surely, 2^{50555005055550} is an apocalyptic number.

50555005055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50555005055550 is an abundant number, since it is smaller than the sum of its proper divisors (88868894859810).

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

50555005055550 is a wasteful number, since it uses less digits than its factorization.

50555005055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31391115 (or 31391104 counting only the distinct ones).

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

The spelling of 50555005055550 in words is "fifty trillion, five hundred fifty-five billion, five million, fifty-five thousand, five hundred fifty".