53279886 has 32 divisors (see below), whose sum is σ = 120001536. Its totient is φ = 15624000.

The previous prime is 53279879. The next prime is 53279903. The reversal of 53279886 is 68897235.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10975 + ... + 15066.

It is an arithmetic number, because the mean of its divisors is an integer number (3750048).

Almost surely, 2^53279886 is an apocalyptic number.

53279886 is an abundant number, since it is smaller than the sum of its proper divisors (66721650).

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

53279886 is a wasteful number, since it uses less digits than its factorization.

53279886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26088.

The product of its digits is 725760, while the sum is 48.

The square root of 53279886 is about 7299.3072274018. The cubic root of 53279886 is about 376.2886298604.

The spelling of 53279886 in words is "fifty-three million, two hundred seventy-nine thousand, eight hundred eighty-six".