53669886 has 16 divisors (see below), whose sum is σ = 107457168. Its totient is φ = 17870400.

The previous prime is 53669873. The next prime is 53669909. The reversal of 53669886 is 68896635.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1746 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (6716073).

Almost surely, 2^53669886 is an apocalyptic number.

53669886 is an abundant number, since it is smaller than the sum of its proper divisors (53787282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53669886 is a wasteful number, since it uses less digits than its factorization.

53669886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787.

The product of its digits is 1866240, while the sum is 51.

The square root of 53669886 is about 7325.9733824250. The cubic root of 53669886 is about 377.2045223761.

The spelling of 53669886 in words is "fifty-three million, six hundred sixty-nine thousand, eight hundred eighty-six".