49909025 has 24 divisors (see below), whose sum is σ = 67076064. Its totient is φ = 36691200.

The previous prime is 49909021. The next prime is 49909051. The reversal of 49909025 is 52090994.

49909025 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 49909025 - 2² = 49909021 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49909025.

It is not an unprimeable number, because it can be changed into a prime (49909021) 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, 16910 + ... + 19640.

It is an arithmetic number, because the mean of its divisors is an integer number (2794836).

Almost surely, 2^49909025 is an apocalyptic number.

It is an amenable number.

49909025 is a deficient number, since it is larger than the sum of its proper divisors (17167039).

49909025 is a wasteful number, since it uses less digits than its factorization.

49909025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 49909025 is about 7064.6319790913. The cubic root of 49909025 is about 368.1795777023.

The spelling of 49909025 in words is "forty-nine million, nine hundred nine thousand, twenty-five".