47667551 has 2 divisors, whose sum is σ = 47667552. Its totient is φ = 47667550.

The previous prime is 47667539. The next prime is 47667577. The reversal of 47667551 is 15576674.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47667551 - 2¹⁰ = 47666527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47667499 and 47667508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47666551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23833775 + 23833776.

It is an arithmetic number, because the mean of its divisors is an integer number (23833776).

Almost surely, 2^47667551 is an apocalyptic number.

47667551 is a deficient number, since it is larger than the sum of its proper divisors (1).

47667551 is an equidigital number, since it uses as much as digits as its factorization.

47667551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 41.

The square root of 47667551 is about 6904.1691027958. The cubic root of 47667551 is about 362.5831463653.

The spelling of 47667551 in words is "forty-seven million, six hundred sixty-seven thousand, five hundred fifty-one".