52281264 has 40 divisors (see below), whose sum is σ = 154355200. Its totient is φ = 14937408.

The previous prime is 52281263. The next prime is 52281289. The reversal of 52281264 is 46218225.

It is not an unprimeable number, because it can be changed into a prime (52281263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77464 + ... + 78135.

It is an arithmetic number, because the mean of its divisors is an integer number (3858880).

Almost surely, 2^52281264 is an apocalyptic number.

It is an amenable number.

52281264 is an abundant number, since it is smaller than the sum of its proper divisors (102073936).

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

52281264 is a wasteful number, since it uses less digits than its factorization.

52281264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155617 (or 155611 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 52281264 is about 7230.5784001005. The cubic root of 52281264 is about 373.9228681721.

Adding to 52281264 its reverse (46218225), we get a palindrome (98499489).

The spelling of 52281264 in words is "fifty-two million, two hundred eighty-one thousand, two hundred sixty-four".