49691925 has 72 divisors (see below), whose sum is σ = 94089216. Its totient is φ = 25038720.

The previous prime is 49691923. The next prime is 49691927. The reversal of 49691925 is 52919694.

It is an interprime number because it is at equal distance from previous prime (49691923) and next prime (49691927).

It is not a de Polignac number, because 49691925 - 2¹ = 49691923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49691923) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 391212 + ... + 391338.

Almost surely, 2^49691925 is an apocalyptic number.

49691925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49691925 is the 3525-th decagonal number.

It is an amenable number.

49691925 is a deficient number, since it is larger than the sum of its proper divisors (44397291).

49691925 is a wasteful number, since it uses less digits than its factorization.

49691925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 219 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 49691925 is about 7049.2499601021. The cubic root of 49691925 is about 367.6449518436.

The spelling of 49691925 in words is "forty-nine million, six hundred ninety-one thousand, nine hundred twenty-five".