49897825 has 6 divisors (see below), whose sum is σ = 61873334. Its totient is φ = 39918240.

The previous prime is 49897807. The next prime is 49897829. The reversal of 49897825 is 52879894.

49897825 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 3 ways, for example, as 4524129 + 45373696 = 2127^2 + 6736^2 .

It is not a de Polignac number, because 49897825 - 2¹⁹ = 49373537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49897829) 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 5 ways as a sum of consecutive naturals, for example, 997932 + ... + 997981.

Almost surely, 2^49897825 is an apocalyptic number.

It is an amenable number.

49897825 is a deficient number, since it is larger than the sum of its proper divisors (11975509).

49897825 is a wasteful number, since it uses less digits than its factorization.

49897825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995923 (or 1995918 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The square root of 49897825 is about 7063.8392535504. The cubic root of 49897825 is about 368.1520347895.

The spelling of 49897825 in words is "forty-nine million, eight hundred ninety-seven thousand, eight hundred twenty-five".