50112291 has 24 divisors (see below), whose sum is σ = 72228160. Its totient is φ = 30818880.

The previous prime is 50112287. The next prime is 50112301. The reversal of 50112291 is 19221105.

It is not a de Polignac number, because 50112291 - 2² = 50112287 is a prime.

It is a super-2 number, since 2×50112291² = 5022483418537362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50102291) 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, 95556 + ... + 96078.

Almost surely, 2^50112291 is an apocalyptic number.

50112291 is a deficient number, since it is larger than the sum of its proper divisors (22115869).

50112291 is a wasteful number, since it uses less digits than its factorization.

50112291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 50112291 is about 7079.0035315714. The cubic root of 50112291 is about 368.6787327177.

Adding to 50112291 its reverse (19221105), we get a palindrome (69333396).

It can be divided in two parts, 50112 and 291, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 50112291 in words is "fifty million, one hundred twelve thousand, two hundred ninety-one".