491850054 has 12 divisors (see below), whose sum is σ = 1065675156. Its totient is φ = 163950012.

The previous prime is 491850031. The next prime is 491850067. The reversal of 491850054 is 450058194.

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, 13662484 + ... + 13662519.

It is an arithmetic number, because the mean of its divisors is an integer number (88806263).

Almost surely, 2^491850054 is an apocalyptic number.

491850054 is an abundant number, since it is smaller than the sum of its proper divisors (573825102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491850054 is a wasteful number, since it uses less digits than its factorization.

491850054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27325011 (or 27325008 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 491850054 is about 22177.6927113710. The cubic root of 491850054 is about 789.3644699125.

The spelling of 491850054 in words is "four hundred ninety-one million, eight hundred fifty thousand, fifty-four".