50275505550 has 48 divisors (see below), whose sum is σ = 125477473392. Its totient is φ = 13321401600.

The previous prime is 50275505521. The next prime is 50275505591. The reversal of 50275505550 is 5550557205.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50275505499 and 50275505508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043871 + ... + 1090970.

It is an arithmetic number, because the mean of its divisors is an integer number (2614114029).

Almost surely, 2^50275505550 is an apocalyptic number.

50275505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50275505550 is an abundant number, since it is smaller than the sum of its proper divisors (75201967842).

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

50275505550 is a wasteful number, since it uses less digits than its factorization.

50275505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135013 (or 2135008 counting only the distinct ones).

The product of its (nonzero) digits is 218750, while the sum is 39.

The spelling of 50275505550 in words is "fifty billion, two hundred seventy-five million, five hundred five thousand, five hundred fifty".