50505050550 has 48 divisors (see below), whose sum is σ = 126360997200. Its totient is φ = 13348823040.

The previous prime is 50505050429. The next prime is 50505050567. The reversal of 50505050550 is 5505050505.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1472875 + ... + 1506774.

It is an arithmetic number, because the mean of its divisors is an integer number (2632520775).

Almost surely, 2^50505050550 is an apocalyptic number.

50505050550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50505050550 is an abundant number, since it is smaller than the sum of its proper divisors (75855946650).

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

50505050550 is a wasteful number, since it uses less digits than its factorization.

50505050550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979777 (or 2979772 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 50505050550 in words is "fifty billion, five hundred five million, fifty thousand, five hundred fifty".