52224552 has 24 divisors (see below), whose sum is σ = 141441690. Its totient is φ = 17408160.

The previous prime is 52224551. The next prime is 52224569. The reversal of 52224552 is 25542225.

It can be written as a sum of positive squares in only one way, i.e., 51926436 + 298116 = 7206^2 + 546^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52224551) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 362599 + ... + 362742.

Almost surely, 2^52224552 is an apocalyptic number.

It is an amenable number.

52224552 is an abundant number, since it is smaller than the sum of its proper divisors (89217138).

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

52224552 is a wasteful number, since it uses less digits than its factorization.

52224552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725353 (or 725346 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 52224552 is about 7226.6556580482. The cubic root of 52224552 is about 373.7876152192.

Adding to 52224552 its reverse (25542225), we get a palindrome (77766777).

The spelling of 52224552 in words is "fifty-two million, two hundred twenty-four thousand, five hundred fifty-two".