53044864 has 16 divisors (see below), whose sum is σ = 105675570. Its totient is φ = 26522368.

The previous prime is 53044847. The next prime is 53044867. The reversal of 53044864 is 46844035.

It can be written as a sum of positive squares in only one way, i.e., 52417600 + 627264 = 7240^2 + 792^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×53044864³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53044867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207079 + ... + 207334.

Almost surely, 2^53044864 is an apocalyptic number.

It is an amenable number.

53044864 is a deficient number, since it is larger than the sum of its proper divisors (52630706).

53044864 is an equidigital number, since it uses as much as digits as its factorization.

53044864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414427 (or 414415 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 53044864 is about 7283.1905096599. The cubic root of 53044864 is about 375.7345342118.

Adding to 53044864 its reverse (46844035), we get a palindrome (99888899).

The spelling of 53044864 in words is "fifty-three million, forty-four thousand, eight hundred sixty-four".