49404825 has 18 divisors (see below), whose sum is σ = 88489934. Its totient is φ = 26349120.

The previous prime is 49404791. The next prime is 49404827. The reversal of 49404825 is 52840494.

It can be written as a sum of positive squares in 3 ways, for example, as 9865881 + 39538944 = 3141^2 + 6288^2 .

It is not a de Polignac number, because 49404825 - 2⁷ = 49404697 is a prime.

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 49404825.

It is not an unprimeable number, because it can be changed into a prime (49404827) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 109564 + ... + 110013.

Almost surely, 2^49404825 is an apocalyptic number.

49404825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49404825 is a deficient number, since it is larger than the sum of its proper divisors (39085109).

49404825 is a wasteful number, since it uses less digits than its factorization.

49404825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219593 (or 219585 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 49404825 is about 7028.8565926472. The cubic root of 49404825 is about 366.9355488738.

The spelling of 49404825 in words is "forty-nine million, four hundred four thousand, eight hundred twenty-five".