50050005550 has 12 divisors (see below), whose sum is σ = 93093010416. Its totient is φ = 20020002200.

The previous prime is 50050005529. The next prime is 50050005589. The reversal of 50050005550 is 5550005005.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500500006 + ... + 500500105.

It is an arithmetic number, because the mean of its divisors is an integer number (7757750868).

Almost surely, 2^50050005550 is an apocalyptic number.

50050005550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50050005550 is a deficient number, since it is larger than the sum of its proper divisors (43043004866).

50050005550 is a wasteful number, since it uses less digits than its factorization.

50050005550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001000123 (or 1001000118 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 50050005550 in words is "fifty billion, fifty million, five thousand, five hundred fifty".