49220791 has 2 divisors, whose sum is σ = 49220792. Its totient is φ = 49220790.

The previous prime is 49220789. The next prime is 49220819. The reversal of 49220791 is 19702294.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49220791 - 2¹ = 49220789 is a prime.

Together with 49220789, 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 (49220741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24610395 + 24610396.

It is an arithmetic number, because the mean of its divisors is an integer number (24610396).

Almost surely, 2^49220791 is an apocalyptic number.

49220791 is a deficient number, since it is larger than the sum of its proper divisors (1).

49220791 is an equidigital number, since it uses as much as digits as its factorization.

49220791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 49220791 is about 7015.7530600784. The cubic root of 49220791 is about 366.4793677939.

The spelling of 49220791 in words is "forty-nine million, two hundred twenty thousand, seven hundred ninety-one".