52224550 has 24 divisors (see below), whose sum is σ = 111015216. Its totient is φ = 17905440.

The previous prime is 52224539. The next prime is 52224551. The reversal of 52224550 is 5542225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74257 + ... + 74956.

It is an arithmetic number, because the mean of its divisors is an integer number (4625634).

Almost surely, 2^52224550 is an apocalyptic number.

52224550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52224550 is an abundant number, since it is smaller than the sum of its proper divisors (58790666).

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

52224550 is a wasteful number, since it uses less digits than its factorization.

52224550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149232 (or 149227 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 52224550 is about 7226.6555196716. The cubic root of 52224550 is about 373.7876104476.

Adding to 52224550 its reverse (5542225), we get a palindrome (57766775).

The spelling of 52224550 in words is "fifty-two million, two hundred twenty-four thousand, five hundred fifty".