53255533 has 2 divisors, whose sum is σ = 53255534. Its totient is φ = 53255532.

The previous prime is 53255519. The next prime is 53255563. The reversal of 53255533 is 33555235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53042089 + 213444 = 7283^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 53255533 - 2⁹ = 53255021 is a prime.

It is a super-2 number, since 2×53255533² = 5672303590228178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53255495 and 53255504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53255563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627766 + 26627767.

It is an arithmetic number, because the mean of its divisors is an integer number (26627767).

Almost surely, 2^53255533 is an apocalyptic number.

It is an amenable number.

53255533 is a deficient number, since it is larger than the sum of its proper divisors (1).

53255533 is an equidigital number, since it uses as much as digits as its factorization.

53255533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33750, while the sum is 31.

The square root of 53255533 is about 7297.6388647288. The cubic root of 53255533 is about 376.2312901886.

It can be divided in two parts, 532 and 55533, that added together give a palindrome (56065).

The spelling of 53255533 in words is "fifty-three million, two hundred fifty-five thousand, five hundred thirty-three".