47856049 has 2 divisors, whose sum is σ = 47856050. Its totient is φ = 47856048.

The previous prime is 47856047. The next prime is 47856073. The reversal of 47856049 is 94065874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 17164449 = 5540^2 + 4143^2 .

It is a cyclic number.

It is not a de Polignac number, because 47856049 - 2¹ = 47856047 is a prime.

Together with 47856047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47855996 and 47856014.

It is not a weakly prime, because it can be changed into another prime (47856047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23928024 + 23928025.

It is an arithmetic number, because the mean of its divisors is an integer number (23928025).

Almost surely, 2^47856049 is an apocalyptic number.

It is an amenable number.

47856049 is a deficient number, since it is larger than the sum of its proper divisors (1).

47856049 is an equidigital number, since it uses as much as digits as its factorization.

47856049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 47856049 is about 6917.8066610740. The cubic root of 47856049 is about 363.0604543299.

The spelling of 47856049 in words is "forty-seven million, eight hundred fifty-six thousand, forty-nine".