50500055505550 has 24 divisors (see below), whose sum is σ = 107348689418256. Its totient is φ = 17314304744640.

The previous prime is 50500055505539. The next prime is 50500055505563. The reversal of 50500055505550 is 5550555000505.

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, 72142936087 + ... + 72142936786.

It is an arithmetic number, because the mean of its divisors is an integer number (4472862059094).

Almost surely, 2^{50500055505550} is an apocalyptic number.

50500055505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50500055505550 is an abundant number, since it is smaller than the sum of its proper divisors (56848633912706).

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

50500055505550 is a wasteful number, since it uses less digits than its factorization.

50500055505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144285872892 (or 144285872887 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50500055505550 in words is "fifty trillion, five hundred billion, fifty-five million, five hundred five thousand, five hundred fifty".