53277985 has 8 divisors (see below), whose sum is σ = 65140200. Its totient is φ = 41817984.

The previous prime is 53277967. The next prime is 53278007. The reversal of 53277985 is 58977235.

53277985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10975969 + 42302016 = 3313^2 + 6504^2 .

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 53277985 - 2⁵ = 53277953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100260 + ... + 100789.

It is an arithmetic number, because the mean of its divisors is an integer number (8142525).

Almost surely, 2^53277985 is an apocalyptic number.

It is an amenable number.

53277985 is a deficient number, since it is larger than the sum of its proper divisors (11862215).

53277985 is a wasteful number, since it uses less digits than its factorization.

53277985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201107.

The product of its digits is 529200, while the sum is 46.

The square root of 53277985 is about 7299.1770084031. The cubic root of 53277985 is about 376.2841545431.

The spelling of 53277985 in words is "fifty-three million, two hundred seventy-seven thousand, nine hundred eighty-five".