53888986 has 8 divisors (see below), whose sum is σ = 82158804. Its totient is φ = 26502720.

The previous prime is 53888953. The next prime is 53888993. The reversal of 53888986 is 68988835.

It can be written as a sum of positive squares in 2 ways, for example, as 52838361 + 1050625 = 7269^2 + 1025^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220735 + ... + 220978.

Almost surely, 2^53888986 is an apocalyptic number.

53888986 is a deficient number, since it is larger than the sum of its proper divisors (28269818).

53888986 is a wasteful number, since it uses less digits than its factorization.

53888986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441776.

The product of its digits is 3317760, while the sum is 55.

The square root of 53888986 is about 7340.9117962280. The cubic root of 53888986 is about 377.7171208329.

The spelling of 53888986 in words is "fifty-three million, eight hundred eighty-eight thousand, nine hundred eighty-six".