53366717 has 4 divisors (see below), whose sum is σ = 55088256. Its totient is φ = 51645180.

The previous prime is 53366713. The next prime is 53366749. The reversal of 53366717 is 71766335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71766335 = 5 ⋅14353267.

It is a cyclic number.

It is not a de Polignac number, because 53366717 - 2² = 53366713 is a prime.

It is a Duffinian number.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860723 + ... + 860784.

It is an arithmetic number, because the mean of its divisors is an integer number (13772064).

Almost surely, 2^53366717 is an apocalyptic number.

It is an amenable number.

53366717 is a deficient number, since it is larger than the sum of its proper divisors (1721539).

53366717 is a wasteful number, since it uses less digits than its factorization.

53366717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721538.

The product of its digits is 79380, while the sum is 38.

The square root of 53366717 is about 7305.2526992569. The cubic root of 53366717 is about 376.4929332541.

The spelling of 53366717 in words is "fifty-three million, three hundred sixty-six thousand, seven hundred seventeen".