52694437 has 2 divisors, whose sum is σ = 52694438. Its totient is φ = 52694436.

The previous prime is 52694431. The next prime is 52694519. The reversal of 52694437 is 73449625.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49575681 + 3118756 = 7041^2 + 1766^2 .

It is a cyclic number.

It is not a de Polignac number, because 52694437 - 2⁷ = 52694309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52694437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52694431) 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, 26347218 + 26347219.

It is an arithmetic number, because the mean of its divisors is an integer number (26347219).

Almost surely, 2^52694437 is an apocalyptic number.

It is an amenable number.

52694437 is a deficient number, since it is larger than the sum of its proper divisors (1).

52694437 is an equidigital number, since it uses as much as digits as its factorization.

52694437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 52694437 is about 7259.0934006941. The cubic root of 52694437 is about 374.9053082394.

The spelling of 52694437 in words is "fifty-two million, six hundred ninety-four thousand, four hundred thirty-seven".