52438933 has 2 divisors, whose sum is σ = 52438934. Its totient is φ = 52438932.

The previous prime is 52438921. The next prime is 52438943. The reversal of 52438933 is 33983425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50594769 + 1844164 = 7113^2 + 1358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52438933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52438892 and 52438901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52438943) 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, 26219466 + 26219467.

It is an arithmetic number, because the mean of its divisors is an integer number (26219467).

Almost surely, 2^52438933 is an apocalyptic number.

It is an amenable number.

52438933 is a deficient number, since it is larger than the sum of its proper divisors (1).

52438933 is an equidigital number, since it uses as much as digits as its factorization.

52438933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 52438933 is about 7241.4731236123. The cubic root of 52438933 is about 374.2983811383.

The spelling of 52438933 in words is "fifty-two million, four hundred thirty-eight thousand, nine hundred thirty-three".