50555500055550 has 72 divisors (see below), whose sum is σ = 155229459227856. Its totient is φ = 11555542869120.

The previous prime is 50555500055539. The next prime is 50555500055551. The reversal of 50555500055550 is 5555000555505.

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

It is a junction number, because it is equal to n+sod(n) for n = 50555500055496 and 50555500055505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555500055551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8024679399 + ... + 8024685698.

It is an arithmetic number, because the mean of its divisors is an integer number (2155964711498).

Almost surely, 2^{50555500055550} is an apocalyptic number.

50555500055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50555500055550 is an abundant number, since it is smaller than the sum of its proper divisors (104673959172306).

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

50555500055550 is a wasteful number, since it uses less digits than its factorization.

50555500055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049365122 (or 16049365114 counting only the distinct ones).

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

The spelling of 50555500055550 in words is "fifty trillion, five hundred fifty-five billion, five hundred million, fifty-five thousand, five hundred fifty".