52261224 has 64 divisors (see below), whose sum is σ = 135051840. Its totient is φ = 16842240.

The previous prime is 52261189. The next prime is 52261283. The reversal of 52261224 is 42216225.

It is a happy number.

52261224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 52261194 and 52261203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170079 + ... + 170385.

It is an arithmetic number, because the mean of its divisors is an integer number (2110185).

Almost surely, 2^52261224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52261224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67525920).

52261224 is an abundant number, since it is smaller than the sum of its proper divisors (82790616).

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

52261224 is a wasteful number, since it uses less digits than its factorization.

52261224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 526 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 52261224 is about 7229.1924860250. The cubic root of 52261224 is about 373.8750857778.

Adding to 52261224 its reverse (42216225), we get a palindrome (94477449).

The spelling of 52261224 in words is "fifty-two million, two hundred sixty-one thousand, two hundred twenty-four".