53366647 has 8 divisors (see below), whose sum is σ = 55778400. Its totient is φ = 50962560.

The previous prime is 53366629. The next prime is 53366657. The reversal of 53366647 is 74666335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53366647 - 2¹⁹ = 52842359 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 (53366657) 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 7 ways as a sum of consecutive naturals, for example, 15979 + ... + 19027.

It is an arithmetic number, because the mean of its divisors is an integer number (6972300).

Almost surely, 2^53366647 is an apocalyptic number.

53366647 is a deficient number, since it is larger than the sum of its proper divisors (2411753).

53366647 is a wasteful number, since it uses less digits than its factorization.

53366647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833.

The product of its digits is 272160, while the sum is 40.

The square root of 53366647 is about 7305.2479081822. The cubic root of 53366647 is about 376.4927686414.

The spelling of 53366647 in words is "fifty-three million, three hundred sixty-six thousand, six hundred forty-seven".