50500000555 has 4 divisors (see below), whose sum is σ = 60600000672. Its totient is φ = 40400000440.

The previous prime is 50500000487. The next prime is 50500000609. The reversal of 50500000555 is 55500000505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55500000505 = 5 ⋅11100000101.

It is a de Polignac number, because none of the positive numbers 2^k-50500000555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050000051 + ... + 5050000060.

It is an arithmetic number, because the mean of its divisors is an integer number (15150000168).

Almost surely, 2^50500000555 is an apocalyptic number.

50500000555 is a deficient number, since it is larger than the sum of its proper divisors (10100000117).

50500000555 is a wasteful number, since it uses less digits than its factorization.

50500000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100000116.

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

The spelling of 50500000555 in words is "fifty billion, five hundred million, five hundred fifty-five", and thus it is an aban number.