52443731 has 2 divisors, whose sum is σ = 52443732. Its totient is φ = 52443730.

The previous prime is 52443719. The next prime is 52443733. The reversal of 52443731 is 13734425.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52443731 - 2²² = 48249427 is a prime.

It is a super-2 number, since 2×52443731² = 5500689842400722, which contains 22 as substring.

Together with 52443733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52443694 and 52443703.

It is not a weakly prime, because it can be changed into another prime (52443733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26221865 + 26221866.

It is an arithmetic number, because the mean of its divisors is an integer number (26221866).

Almost surely, 2^52443731 is an apocalyptic number.

52443731 is a deficient number, since it is larger than the sum of its proper divisors (1).

52443731 is an equidigital number, since it uses as much as digits as its factorization.

52443731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 52443731 is about 7241.8044022191. The cubic root of 52443731 is about 374.3097965045.

The spelling of 52443731 in words is "fifty-two million, four hundred forty-three thousand, seven hundred thirty-one".