50500000550 has 12 divisors (see below), whose sum is σ = 93930001116. Its totient is φ = 20200000200.

The previous prime is 50500000487. The next prime is 50500000609. The reversal of 50500000550 is 5500000505.

It is a happy number.

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, 504999956 + ... + 505000055.

It is an arithmetic number, because the mean of its divisors is an integer number (7827500093).

Almost surely, 2^50500000550 is an apocalyptic number.

50500000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50500000550 is a deficient number, since it is larger than the sum of its proper divisors (43430000566).

50500000550 is a wasteful number, since it uses less digits than its factorization.

50500000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010000023 (or 1010000018 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

The spelling of 50500000550 in words is "fifty billion, five hundred million, five hundred fifty", and thus it is an aban number.