49431725 has 24 divisors (see below), whose sum is σ = 71691840. Its totient is φ = 33102720.

The previous prime is 49431719. The next prime is 49431727. The reversal of 49431725 is 52713494.

49431725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49431725 - 2⁸ = 49431469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49431727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4241 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (2987160).

Almost surely, 2^49431725 is an apocalyptic number.

It is an amenable number.

49431725 is a deficient number, since it is larger than the sum of its proper divisors (22260115).

49431725 is a wasteful number, since it uses less digits than its factorization.

49431725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629 (or 6624 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 49431725 is about 7030.7698724962. The cubic root of 49431725 is about 367.0021332972.

The spelling of 49431725 in words is "forty-nine million, four hundred thirty-one thousand, seven hundred twenty-five".