53240333 has 2 divisors, whose sum is σ = 53240334. Its totient is φ = 53240332.

The previous prime is 53240309. The next prime is 53240339. The reversal of 53240333 is 33304235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49252324 + 3988009 = 7018^2 + 1997^2 .

It is a cyclic number.

It is not a de Polignac number, because 53240333 - 2⁶ = 53240269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53240299 and 53240308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53240339) 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, 26620166 + 26620167.

It is an arithmetic number, because the mean of its divisors is an integer number (26620167).

Almost surely, 2^53240333 is an apocalyptic number.

It is an amenable number.

53240333 is a deficient number, since it is larger than the sum of its proper divisors (1).

53240333 is an equidigital number, since it uses as much as digits as its factorization.

53240333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 53240333 is about 7296.5973576730. The cubic root of 53240333 is about 376.1954925950.

Adding to 53240333 its reverse (33304235), we get a palindrome (86544568).

The spelling of 53240333 in words is "fifty-three million, two hundred forty thousand, three hundred thirty-three".