49493881 has 2 divisors, whose sum is σ = 49493882. Its totient is φ = 49493880.

The previous prime is 49493863. The next prime is 49493897. The reversal of 49493881 is 18839494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44675856 + 4818025 = 6684^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 49493881 - 2¹¹ = 49491833 is a prime.

It is a super-2 number, since 2×49493881² = 4899288512884322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49493581) 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 as a sum of consecutive naturals, namely, 24746940 + 24746941.

It is an arithmetic number, because the mean of its divisors is an integer number (24746941).

Almost surely, 2^49493881 is an apocalyptic number.

It is an amenable number.

49493881 is a deficient number, since it is larger than the sum of its proper divisors (1).

49493881 is an equidigital number, since it uses as much as digits as its factorization.

49493881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 49493881 is about 7035.1887679010. The cubic root of 49493881 is about 367.1558930549.

The spelling of 49493881 in words is "forty-nine million, four hundred ninety-three thousand, eight hundred eighty-one".