49889925 has 60 divisors (see below), whose sum is σ = 93985056. Its totient is φ = 26157600.

The previous prime is 49889923. The next prime is 49889969. The reversal of 49889925 is 52998894.

It is not a de Polignac number, because 49889925 - 2¹ = 49889923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49889923) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 143602 + ... + 143948.

Almost surely, 2^49889925 is an apocalyptic number.

49889925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49889925 is a deficient number, since it is larger than the sum of its proper divisors (44095131).

49889925 is a wasteful number, since it uses less digits than its factorization.

49889925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 426 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 49889925 is about 7063.2800454180. The cubic root of 49889925 is about 368.1326047203.

The spelling of 49889925 in words is "forty-nine million, eight hundred eighty-nine thousand, nine hundred twenty-five".