49991250 has 40 divisors (see below), whose sum is σ = 124947504. Its totient is φ = 13330000.

The previous prime is 49991239. The next prime is 49991257. The reversal of 49991250 is 5219994.

It is a junction number, because it is equal to n+sod(n) for n = 49991199 and 49991208.

It is not an unprimeable number, because it can be changed into a prime (49991257) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2916 + ... + 10415.

Almost surely, 2^49991250 is an apocalyptic number.

49991250 is an abundant number, since it is smaller than the sum of its proper divisors (74956254).

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

49991250 is a wasteful number, since it uses less digits than its factorization.

49991250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13356 (or 13341 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 49991250 is about 7070.4490663606. The cubic root of 49991250 is about 368.3816584266.

The spelling of 49991250 in words is "forty-nine million, nine hundred ninety-one thousand, two hundred fifty".