53949433 has 2 divisors, whose sum is σ = 53949434. Its totient is φ = 53949432.

The previous prime is 53949377. The next prime is 53949451. The reversal of 53949433 is 33494935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46621584 + 7327849 = 6828^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 53949433 - 2¹⁷ = 53818361 is a prime.

It is not a weakly prime, because it can be changed into another prime (53940433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26974716 + 26974717.

It is an arithmetic number, because the mean of its divisors is an integer number (26974717).

Almost surely, 2^53949433 is an apocalyptic number.

It is an amenable number.

53949433 is a deficient number, since it is larger than the sum of its proper divisors (1).

53949433 is an equidigital number, since it uses as much as digits as its factorization.

53949433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 40.

The square root of 53949433 is about 7345.0277739434. The cubic root of 53949433 is about 377.8582958485.

The spelling of 53949433 in words is "fifty-three million, nine hundred forty-nine thousand, four hundred thirty-three".