53553733 has 2 divisors, whose sum is σ = 53553734. Its totient is φ = 53553732.

The previous prime is 53553679. The next prime is 53553743. The reversal of 53553733 is 33735535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44595684 + 8958049 = 6678^2 + 2993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53553733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53553743) 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, 26776866 + 26776867.

It is an arithmetic number, because the mean of its divisors is an integer number (26776867).

Almost surely, 2^53553733 is an apocalyptic number.

It is an amenable number.

53553733 is a deficient number, since it is larger than the sum of its proper divisors (1).

53553733 is an equidigital number, since it uses as much as digits as its factorization.

53553733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70875, while the sum is 34.

The square root of 53553733 is about 7318.0416096111. The cubic root of 53553733 is about 376.9322090089.

The spelling of 53553733 in words is "fifty-three million, five hundred fifty-three thousand, seven hundred thirty-three".