47129543 has 2 divisors, whose sum is σ = 47129544. Its totient is φ = 47129542.

The previous prime is 47129521. The next prime is 47129549. The reversal of 47129543 is 34592174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47129543 - 2¹² = 47125447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47129549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23564771 + 23564772.

It is an arithmetic number, because the mean of its divisors is an integer number (23564772).

Almost surely, 2^47129543 is an apocalyptic number.

47129543 is a deficient number, since it is larger than the sum of its proper divisors (1).

47129543 is an equidigital number, since it uses as much as digits as its factorization.

47129543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 47129543 is about 6865.0959935022. The cubic root of 47129543 is about 361.2138628379.

The spelling of 47129543 in words is "forty-seven million, one hundred twenty-nine thousand, five hundred forty-three".