49947427 has 2 divisors, whose sum is σ = 49947428. Its totient is φ = 49947426.

The previous prime is 49947407. The next prime is 49947433. The reversal of 49947427 is 72474994.

49947427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49947427 - 2¹⁵ = 49914659 is a prime.

It is not a weakly prime, because it can be changed into another prime (49947407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24973713 + 24973714.

It is an arithmetic number, because the mean of its divisors is an integer number (24973714).

Almost surely, 2^49947427 is an apocalyptic number.

49947427 is a deficient number, since it is larger than the sum of its proper divisors (1).

49947427 is an equidigital number, since it uses as much as digits as its factorization.

49947427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 49947427 is about 7067.3493616773. The cubic root of 49947427 is about 368.2739841906.

It can be divided in two parts, 4994 and 7427, that added together give a palindrome (12421).

The spelling of 49947427 in words is "forty-nine million, nine hundred forty-seven thousand, four hundred twenty-seven".