47164543 has 2 divisors, whose sum is σ = 47164544. Its totient is φ = 47164542.

The previous prime is 47164493. The next prime is 47164553. The reversal of 47164543 is 34546174.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47164543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47164499 and 47164508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47164553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23582271 + 23582272.

It is an arithmetic number, because the mean of its divisors is an integer number (23582272).

Almost surely, 2^47164543 is an apocalyptic number.

47164543 is a deficient number, since it is larger than the sum of its proper divisors (1).

47164543 is an equidigital number, since it uses as much as digits as its factorization.

47164543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 47164543 is about 6867.6446471844. The cubic root of 47164543 is about 361.3032572751.

The spelling of 47164543 in words is "forty-seven million, one hundred sixty-four thousand, five hundred forty-three".