49440047 has 2 divisors, whose sum is σ = 49440048. Its totient is φ = 49440046.

The previous prime is 49440011. The next prime is 49440089. The reversal of 49440047 is 74004494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49440047 - 2¹⁴ = 49423663 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49439995 and 49440022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49440007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24720023 + 24720024.

It is an arithmetic number, because the mean of its divisors is an integer number (24720024).

Almost surely, 2^49440047 is an apocalyptic number.

49440047 is a deficient number, since it is larger than the sum of its proper divisors (1).

49440047 is an equidigital number, since it uses as much as digits as its factorization.

49440047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 49440047 is about 7031.3616746687. The cubic root of 49440047 is about 367.0227274964.

The spelling of 49440047 in words is "forty-nine million, four hundred forty thousand, forty-seven".