49527281 has 16 divisors (see below), whose sum is σ = 53654400. Its totient is φ = 45571968.

The previous prime is 49527277. The next prime is 49527299. The reversal of 49527281 is 18272594.

It is a cyclic number.

It is not a de Polignac number, because 49527281 - 2² = 49527277 is a prime.

It is a super-2 number, since 2×49527281² = 4905903126505922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49527481) 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 15 ways as a sum of consecutive naturals, for example, 137780 + ... + 138138.

It is an arithmetic number, because the mean of its divisors is an integer number (3353400).

Almost surely, 2^49527281 is an apocalyptic number.

It is an amenable number.

49527281 is a deficient number, since it is larger than the sum of its proper divisors (4127119).

49527281 is a wasteful number, since it uses less digits than its factorization.

49527281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its digits is 40320, while the sum is 38.

The square root of 49527281 is about 7037.5621489263. The cubic root of 49527281 is about 367.2384638638.

The spelling of 49527281 in words is "forty-nine million, five hundred twenty-seven thousand, two hundred eighty-one".