50550991046 has 4 divisors (see below), whose sum is σ = 75826486572. Its totient is φ = 25275495522.

The previous prime is 50550991033. The next prime is 50550991069. The reversal of 50550991046 is 64019905505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64019905505 = 5 ⋅12803981101.

It is a junction number, because it is equal to n+sod(n) for n = 50550990988 and 50550991006.

It is a congruent 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 as a sum of consecutive naturals, namely, 12637747760 + ... + 12637747763.

It is an arithmetic number, because the mean of its divisors is an integer number (18956621643).

Almost surely, 2^50550991046 is an apocalyptic number.

50550991046 is a deficient number, since it is larger than the sum of its proper divisors (25275495526).

50550991046 is a wasteful number, since it uses less digits than its factorization.

50550991046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25275495525.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 50550991046 in words is "fifty billion, five hundred fifty million, nine hundred ninety-one thousand, forty-six".