53006864 has 10 divisors (see below), whose sum is σ = 102700830. Its totient is φ = 26503424.

The previous prime is 53006857. The next prime is 53006897. The reversal of 53006864 is 46860035.

It can be written as a sum of positive squares in only one way, i.e., 52998400 + 8464 = 7280^2 + 92^2 .

It is a super-2 number, since 2×53006864² = 5619455262228992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53006864.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656449 + ... + 1656480.

It is an arithmetic number, because the mean of its divisors is an integer number (10270083).

Almost surely, 2^53006864 is an apocalyptic number.

It is an amenable number.

53006864 is a deficient number, since it is larger than the sum of its proper divisors (49693966).

53006864 is a wasteful number, since it uses less digits than its factorization.

53006864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312937 (or 3312931 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 53006864 is about 7280.5812954736. The cubic root of 53006864 is about 375.6447905369.

Adding to 53006864 its reverse (46860035), we get a palindrome (99866899).

The spelling of 53006864 in words is "fifty-three million, six thousand, eight hundred sixty-four".