53049664 has 14 divisors (see below), whose sum is σ = 105270554. Its totient is φ = 26524800.

The previous prime is 53049631. The next prime is 53049719. The reversal of 53049664 is 46694035.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48888064 + 4161600 = 6992^2 + 2040^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414387 + ... + 414514.

Almost surely, 2^53049664 is an apocalyptic number.

It is an amenable number.

53049664 is a deficient number, since it is larger than the sum of its proper divisors (52220890).

53049664 is an equidigital number, since it uses as much as digits as its factorization.

53049664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828913 (or 828903 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 53049664 is about 7283.5200281183. The cubic root of 53049664 is about 375.7458672058.

The spelling of 53049664 in words is "fifty-three million, forty-nine thousand, six hundred sixty-four".