49779271 has 2 divisors, whose sum is σ = 49779272. Its totient is φ = 49779270.

The previous prime is 49779269. The next prime is 49779277. The reversal of 49779271 is 17297794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49779271 - 2¹ = 49779269 is a prime.

Together with 49779269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49779277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24889635 + 24889636.

It is an arithmetic number, because the mean of its divisors is an integer number (24889636).

Almost surely, 2^49779271 is an apocalyptic number.

49779271 is a deficient number, since it is larger than the sum of its proper divisors (1).

49779271 is an equidigital number, since it uses as much as digits as its factorization.

49779271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 46.

The square root of 49779271 is about 7055.4426508902. The cubic root of 49779271 is about 367.8602351059.

The spelling of 49779271 in words is "forty-nine million, seven hundred seventy-nine thousand, two hundred seventy-one".