52281248 has 12 divisors (see below), whose sum is σ = 102928770. Its totient is φ = 26140608.

The previous prime is 52281241. The next prime is 52281263. The reversal of 52281248 is 84218225.

It can be written as a sum of positive squares in only one way, i.e., 36820624 + 15460624 = 6068^2 + 3932^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1633789 = 52281248 / (5 + 2 + 2 + 8 + 1 + 2 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (52281241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816863 + ... + 816926.

Almost surely, 2^52281248 is an apocalyptic number.

It is an amenable number.

52281248 is a deficient number, since it is larger than the sum of its proper divisors (50647522).

52281248 is a wasteful number, since it uses less digits than its factorization.

52281248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633799 (or 1633791 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 52281248 is about 7230.5772936882. The cubic root of 52281248 is about 373.9228300274.

The spelling of 52281248 in words is "fifty-two million, two hundred eighty-one thousand, two hundred forty-eight".