53664312 has 32 divisors (see below), whose sum is σ = 144481680. Its totient is φ = 16512000.

The previous prime is 53664269. The next prime is 53664349. The reversal of 53664312 is 21346635.

53664312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53664312.

It is a congruent number.

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, 85689 + ... + 86312.

Almost surely, 2^53664312 is an apocalyptic number.

53664312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53664312 is an abundant number, since it is smaller than the sum of its proper divisors (90817368).

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

53664312 is a wasteful number, since it uses less digits than its factorization.

53664312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172023 (or 172019 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 53664312 is about 7325.5929452844. The cubic root of 53664312 is about 377.1914634651.

The spelling of 53664312 in words is "fifty-three million, six hundred sixty-four thousand, three hundred twelve".