49679447 has 2 divisors, whose sum is σ = 49679448. Its totient is φ = 49679446.

The previous prime is 49679429. The next prime is 49679477. The reversal of 49679447 is 74497694.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49679447 - 2⁸ = 49679191 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49679395 and 49679404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49679417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24839723 + 24839724.

It is an arithmetic number, because the mean of its divisors is an integer number (24839724).

Almost surely, 2^49679447 is an apocalyptic number.

49679447 is a deficient number, since it is larger than the sum of its proper divisors (1).

49679447 is an equidigital number, since it uses as much as digits as its factorization.

49679447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The square root of 49679447 is about 7048.3648458348. The cubic root of 49679447 is about 367.6141765030.

The spelling of 49679447 in words is "forty-nine million, six hundred seventy-nine thousand, four hundred forty-seven".