50550550491 has 32 divisors (see below), whose sum is σ = 82060554240. Its totient is φ = 27035986464.

The previous prime is 50550550487. The next prime is 50550550507. The reversal of 50550550491 is 19405505505.

It is not a de Polignac number, because 50550550491 - 2² = 50550550487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50550550451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 730095 + ... + 796328.

It is an arithmetic number, because the mean of its divisors is an integer number (2564392320).

Almost surely, 2^50550550491 is an apocalyptic number.

50550550491 is a deficient number, since it is larger than the sum of its proper divisors (31510003749).

50550550491 is a wasteful number, since it uses less digits than its factorization.

50550550491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526535.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 50550550491 in words is "fifty billion, five hundred fifty million, five hundred fifty thousand, four hundred ninety-one".