50550963691 has 24 divisors (see below), whose sum is σ = 53343988560. Its totient is φ = 47842972800.

The previous prime is 50550963679. The next prime is 50550963713. The reversal of 50550963691 is 19636905505.

It is a happy number.

It is not a de Polignac number, because 50550963691 - 2²¹ = 50548866539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50550963601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31652905 + ... + 31654501.

It is an arithmetic number, because the mean of its divisors is an integer number (2222666190).

Almost surely, 2^50550963691 is an apocalyptic number.

50550963691 is a deficient number, since it is larger than the sum of its proper divisors (2793024869).

50550963691 is a wasteful number, since it uses less digits than its factorization.

50550963691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 1093500, while the sum is 49.

The spelling of 50550963691 in words is "fifty billion, five hundred fifty million, nine hundred sixty-three thousand, six hundred ninety-one".