52649533 has 2 divisors, whose sum is σ = 52649534. Its totient is φ = 52649532.

The previous prime is 52649521. The next prime is 52649567. The reversal of 52649533 is 33594625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 1340964 = 7163^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 52649533 - 2⁹ = 52649021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52649492 and 52649501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52649503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26324766 + 26324767.

It is an arithmetic number, because the mean of its divisors is an integer number (26324767).

Almost surely, 2^52649533 is an apocalyptic number.

It is an amenable number.

52649533 is a deficient number, since it is larger than the sum of its proper divisors (1).

52649533 is an equidigital number, since it uses as much as digits as its factorization.

52649533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 52649533 is about 7255.9997932745. Note that the first 3 decimals coincide. The cubic root of 52649533 is about 374.7987850898.

The spelling of 52649533 in words is "fifty-two million, six hundred forty-nine thousand, five hundred thirty-three".