49995925 has 18 divisors (see below), whose sum is σ = 72118338.
Its totient is φ = 34282080.
The previous prime is 49995919. The next prime is 49995941. The reversal of 49995925 is 52959994.
It can be written as a sum of positive squares in 3 ways, for example, as 17288964 + 32706961 = 4158^2 + 5719^2
It is not a de Polignac number, because 49995925 - 25 = 49995893 is a prime.
It is a Duffinian number.
It is a partition number, being equal to the number of ways a set of 89 identical objects can be partitioned into subset.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19182 + ... + 21631.
Almost surely, 249995925 is an apocalyptic number.
It is an amenable number.
49995925 is a deficient number, since it is larger than the sum of its proper divisors (22122413).
49995925 is a wasteful number, since it uses less digits than its factorization.
49995925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40837 (or 40825 counting only the distinct ones).
The product of its digits is 1312200, while the sum is 52.
The square root of 49995925 is about 7070.7796599809.
The cubic root of 49995925 is about 368.3931413066.
The spelling of 49995925 in words is "forty-nine million, nine hundred ninety-five thousand, nine hundred twenty-five".