53366783 has 4 divisors (see below), whose sum is σ = 53387568. Its totient is φ = 53346000.

The previous prime is 53366777. The next prime is 53366809. The reversal of 53366783 is 38766335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53366783 - 2⁸ = 53366527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53366783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53366713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5891 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (13346892).

Almost surely, 2^53366783 is an apocalyptic number.

53366783 is a deficient number, since it is larger than the sum of its proper divisors (20785).

53366783 is a wasteful number, since it uses less digits than its factorization.

53366783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20784.

The product of its digits is 272160, while the sum is 41.

The square root of 53366783 is about 7305.2572165530. The cubic root of 53366783 is about 376.4930884602.

The spelling of 53366783 in words is "fifty-three million, three hundred sixty-six thousand, seven hundred eighty-three".