49991875 has 10 divisors (see below), whose sum is σ = 62470628. Its totient is φ = 39993000.

The previous prime is 49991873. The next prime is 49991891. The reversal of 49991875 is 57819994.

It is not a de Polignac number, because 49991875 - 2¹ = 49991873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49991873) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39369 + ... + 40618.

Almost surely, 2^49991875 is an apocalyptic number.

49991875 is a deficient number, since it is larger than the sum of its proper divisors (12478753).

49991875 is an frugal number, since it uses more digits than its factorization.

49991875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80007 (or 79992 counting only the distinct ones).

The product of its digits is 816480, while the sum is 52.

The square root of 49991875 is about 7070.4932642638. The cubic root of 49991875 is about 368.3831936124.

The spelling of 49991875 in words is "forty-nine million, nine hundred ninety-one thousand, eight hundred seventy-five".