53751664 has 20 divisors (see below), whose sum is σ = 105120504. Its totient is φ = 26623808.

The previous prime is 53751661. The next prime is 53751743. The reversal of 53751664 is 46615735.

53751664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53751661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13987 + ... + 17410.

Almost surely, 2^53751664 is an apocalyptic number.

It is an amenable number.

53751664 is a deficient number, since it is larger than the sum of its proper divisors (51368840).

53751664 is a wasteful number, since it uses less digits than its factorization.

53751664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31512 (or 31506 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 53751664 is about 7331.5526322874. The cubic root of 53751664 is about 377.3960101268.

The spelling of 53751664 in words is "fifty-three million, seven hundred fifty-one thousand, six hundred sixty-four".