49897625 has 8 divisors (see below), whose sum is σ = 62272392. Its totient is φ = 39918000.

The previous prime is 49897613. The next prime is 49897643. The reversal of 49897625 is 52679894.

It is a happy number.

49897625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8976016 + 40921609 = 2996^2 + 6397^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49897625 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 199466 + ... + 199715.

It is an arithmetic number, because the mean of its divisors is an integer number (7784049).

Almost surely, 2^49897625 is an apocalyptic number.

It is an amenable number.

49897625 is a deficient number, since it is larger than the sum of its proper divisors (12374767).

49897625 is an equidigital number, since it uses as much as digits as its factorization.

49897625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399196 (or 399186 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 49897625 is about 7063.8250969287. The cubic root of 49897625 is about 368.1515429143.

The spelling of 49897625 in words is "forty-nine million, eight hundred ninety-seven thousand, six hundred twenty-five".