49500891 has 12 divisors (see below), whose sum is σ = 78001560. Its totient is φ = 30000480.

The previous prime is 49500881. The next prime is 49500907. The reversal of 49500891 is 19800594.

It is not a de Polignac number, because 49500891 - 2⁵ = 49500859 is a prime.

49500891 is a modest number, since divided by 891 gives 495 as remainder.

It is not an unprimeable number, because it can be changed into a prime (49500851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249906 + ... + 250103.

It is an arithmetic number, because the mean of its divisors is an integer number (6500130).

Almost surely, 2^49500891 is an apocalyptic number.

49500891 is a deficient number, since it is larger than the sum of its proper divisors (28500669).

49500891 is a wasteful number, since it uses less digits than its factorization.

49500891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500026 (or 500023 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 49500891 is about 7035.6869600630. The cubic root of 49500891 is about 367.1732261154.

The spelling of 49500891 in words is "forty-nine million, five hundred thousand, eight hundred ninety-one".