49880447 has 2 divisors, whose sum is σ = 49880448. Its totient is φ = 49880446.

The previous prime is 49880443. The next prime is 49880449. The reversal of 49880447 is 74408894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49880447 - 2² = 49880443 is a prime.

Together with 49880449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49880398 and 49880407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49880443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24940223 + 24940224.

It is an arithmetic number, because the mean of its divisors is an integer number (24940224).

Almost surely, 2^49880447 is an apocalyptic number.

49880447 is a deficient number, since it is larger than the sum of its proper divisors (1).

49880447 is an equidigital number, since it uses as much as digits as its factorization.

49880447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 49880447 is about 7062.6090788037. The cubic root of 49880447 is about 368.1092908494.

The spelling of 49880447 in words is "forty-nine million, eight hundred eighty thousand, four hundred forty-seven".