52642943 has 2 divisors, whose sum is σ = 52642944. Its totient is φ = 52642942.

The previous prime is 52642921. The next prime is 52642951. The reversal of 52642943 is 34924625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52642943 - 2⁸ = 52642687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52642903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26321471 + 26321472.

It is an arithmetic number, because the mean of its divisors is an integer number (26321472).

Almost surely, 2^52642943 is an apocalyptic number.

52642943 is a deficient number, since it is larger than the sum of its proper divisors (1).

52642943 is an equidigital number, since it uses as much as digits as its factorization.

52642943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 52642943 is about 7255.5456721049. The cubic root of 52642943 is about 374.7831469198.

The spelling of 52642943 in words is "fifty-two million, six hundred forty-two thousand, nine hundred forty-three".