49794457 has 2 divisors, whose sum is σ = 49794458. Its totient is φ = 49794456.

The previous prime is 49794449. The next prime is 49794461. The reversal of 49794457 is 75449794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37711881 + 12082576 = 6141^2 + 3476^2 .

It is a cyclic number.

It is not a de Polignac number, because 49794457 - 2³ = 49794449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49794457.

It is not a weakly prime, because it can be changed into another prime (49794257) 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, 24897228 + 24897229.

It is an arithmetic number, because the mean of its divisors is an integer number (24897229).

Almost surely, 2^49794457 is an apocalyptic number.

It is an amenable number.

49794457 is a deficient number, since it is larger than the sum of its proper divisors (1).

49794457 is an equidigital number, since it uses as much as digits as its factorization.

49794457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 49794457 is about 7056.5187592750. The cubic root of 49794457 is about 367.8976386104.

The spelling of 49794457 in words is "forty-nine million, seven hundred ninety-four thousand, four hundred fifty-seven".