49992791 has 2 divisors, whose sum is σ = 49992792. Its totient is φ = 49992790.

The previous prime is 49992779. The next prime is 49992793. The reversal of 49992791 is 19729994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49992791 - 2¹⁸ = 49730647 is a prime.

Together with 49992793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49992793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24996395 + 24996396.

It is an arithmetic number, because the mean of its divisors is an integer number (24996396).

Almost surely, 2^49992791 is an apocalyptic number.

49992791 is a deficient number, since it is larger than the sum of its proper divisors (1).

49992791 is an equidigital number, since it uses as much as digits as its factorization.

49992791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 50.

The square root of 49992791 is about 7070.5580402115. The cubic root of 49992791 is about 368.3854435577.

The spelling of 49992791 in words is "forty-nine million, nine hundred ninety-two thousand, seven hundred ninety-one".