53366687 has 24 divisors (see below), whose sum is σ = 62563200. Its totient is φ = 45357840.

The previous prime is 53366681. The next prime is 53366713. The reversal of 53366687 is 78666335.

It is not a de Polignac number, because 53366687 - 2¹⁶ = 53301151 is a prime.

It is a super-4 number, since 4×53366687⁴ (a number of 32 digits) contains 4444 as substring.

Its product of digits (544320) is a multiple of the sum of its prime divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53366681) 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 23 ways as a sum of consecutive naturals, for example, 319478 + ... + 319644.

It is an arithmetic number, because the mean of its divisors is an integer number (2606800).

Almost surely, 2^53366687 is an apocalyptic number.

53366687 is a deficient number, since it is larger than the sum of its proper divisors (9196513).

53366687 is a wasteful number, since it uses less digits than its factorization.

53366687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 336 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 53366687 is about 7305.2506459395. The cubic root of 53366687 is about 376.4928627058.

The spelling of 53366687 in words is "fifty-three million, three hundred sixty-six thousand, six hundred eighty-seven".