49127281 has 24 divisors (see below), whose sum is σ = 59421120. Its totient is φ = 39774240.

The previous prime is 49127261. The next prime is 49127291. The reversal of 49127281 is 18272194.

It is not a de Polignac number, because 49127281 - 2¹⁹ = 48602993 is a prime.

It is a super-2 number, since 2×49127281² = 4826979476905922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49127251) 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 23 ways as a sum of consecutive naturals, for example, 450655 + ... + 450763.

It is an arithmetic number, because the mean of its divisors is an integer number (2475880).

Almost surely, 2^49127281 is an apocalyptic number.

It is an amenable number.

49127281 is a deficient number, since it is larger than the sum of its proper divisors (10293839).

49127281 is a wasteful number, since it uses less digits than its factorization.

49127281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 214 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 49127281 is about 7009.0856037004. The cubic root of 49127281 is about 366.2471406549.

It can be divided in two parts, 491 and 27281, that added together give a palindrome (27772).

The spelling of 49127281 in words is "forty-nine million, one hundred twenty-seven thousand, two hundred eighty-one".