53279533 has 2 divisors, whose sum is σ = 53279534. Its totient is φ = 53279532.

The previous prime is 53279521. The next prime is 53279573. The reversal of 53279533 is 33597235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52969284 + 310249 = 7278^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 53279533 - 2¹⁷ = 53148461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53279492 and 53279501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53279573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26639766 + 26639767.

It is an arithmetic number, because the mean of its divisors is an integer number (26639767).

Almost surely, 2^53279533 is an apocalyptic number.

It is an amenable number.

53279533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53279533 is an equidigital number, since it uses as much as digits as its factorization.

53279533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 37.

The square root of 53279533 is about 7299.2830469848. The cubic root of 53279533 is about 376.2877988390.

The spelling of 53279533 in words is "fifty-three million, two hundred seventy-nine thousand, five hundred thirty-three".