49155291 has 6 divisors (see below), whose sum is σ = 71002100. Its totient is φ = 32770188.

The previous prime is 49155289. The next prime is 49155307. The reversal of 49155291 is 19255194.

It is not a de Polignac number, because 49155291 - 2¹ = 49155289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49155241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2730841 + ... + 2730858.

Almost surely, 2^49155291 is an apocalyptic number.

49155291 is a deficient number, since it is larger than the sum of its proper divisors (21846809).

49155291 is a wasteful number, since it uses less digits than its factorization.

49155291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461705 (or 5461702 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 49155291 is about 7011.0834398116. The cubic root of 49155291 is about 366.3167329003.

The spelling of 49155291 in words is "forty-nine million, one hundred fifty-five thousand, two hundred ninety-one".