52415543 has 2 divisors, whose sum is σ = 52415544. Its totient is φ = 52415542.

The previous prime is 52415521. The next prime is 52415563. The reversal of 52415543 is 34551425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52415543 - 2⁶ = 52415479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52415563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26207771 + 26207772.

It is an arithmetic number, because the mean of its divisors is an integer number (26207772).

Almost surely, 2^52415543 is an apocalyptic number.

52415543 is a deficient number, since it is larger than the sum of its proper divisors (1).

52415543 is an equidigital number, since it uses as much as digits as its factorization.

52415543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 29.

The square root of 52415543 is about 7239.8579405952. The cubic root of 52415543 is about 374.2427218496.

Adding to 52415543 its reverse (34551425), we get a palindrome (86966968).

The spelling of 52415543 in words is "fifty-two million, four hundred fifteen thousand, five hundred forty-three".