49168539 has 40 divisors (see below), whose sum is σ = 88897248. Its totient is φ = 26438400.

The previous prime is 49168531. The next prime is 49168541. The reversal of 49168539 is 93586194.

It is a happy number.

49168539 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 49168539 - 2³ = 49168531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49168494 and 49168503.

It is not an unprimeable number, because it can be changed into a prime (49168531) 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 39 ways as a sum of consecutive naturals, for example, 7089 + ... + 12189.

Almost surely, 2^49168539 is an apocalyptic number.

49168539 is a deficient number, since it is larger than the sum of its proper divisors (39728709).

49168539 is a wasteful number, since it uses less digits than its factorization.

49168539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137 (or 5128 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 49168539 is about 7012.0281659446. The cubic root of 49168539 is about 366.3496390098.

The spelling of 49168539 in words is "forty-nine million, one hundred sixty-eight thousand, five hundred thirty-nine".