47968549 has 2 divisors, whose sum is σ = 47968550. Its totient is φ = 47968548.

The previous prime is 47968517. The next prime is 47968561. The reversal of 47968549 is 94586974.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 11607649 = 6030^2 + 3407^2 .

It is a cyclic number.

It is not a de Polignac number, because 47968549 - 2⁵ = 47968517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47968496 and 47968505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47968649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23984274 + 23984275.

It is an arithmetic number, because the mean of its divisors is an integer number (23984275).

Almost surely, 2^47968549 is an apocalyptic number.

It is an amenable number.

47968549 is a deficient number, since it is larger than the sum of its proper divisors (1).

47968549 is an equidigital number, since it uses as much as digits as its factorization.

47968549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 47968549 is about 6925.9330779325. The cubic root of 47968549 is about 363.3447258630.

The spelling of 47968549 in words is "forty-seven million, nine hundred sixty-eight thousand, five hundred forty-nine".