49281291 has 10 divisors (see below), whose sum is σ = 73617852. Its totient is φ = 32854140.

The previous prime is 49281241. The next prime is 49281293. The reversal of 49281291 is 19218294.

49281291 is a `hidden beast` number, since 492 + 81 + 2 + 91 = 666.

It is not a de Polignac number, because 49281291 - 2¹⁷ = 49150219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49281293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 304125 + ... + 304286.

Almost surely, 2^49281291 is an apocalyptic number.

49281291 is a deficient number, since it is larger than the sum of its proper divisors (24336561).

49281291 is an equidigital number, since it uses as much as digits as its factorization.

49281291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608423 (or 608414 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 49281291 is about 7020.0634612516. The cubic root of 49281291 is about 366.6294596773.

The spelling of 49281291 in words is "forty-nine million, two hundred eighty-one thousand, two hundred ninety-one".