52451224 has 64 divisors (see below), whose sum is σ = 118448640. Its totient is φ = 21288960.

The previous prime is 52451213. The next prime is 52451249. The reversal of 52451224 is 42215425.

It is a super-2 number, since 2×52451224² = 5502261798196352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 248479 + ... + 248689.

It is an arithmetic number, because the mean of its divisors is an integer number (1850760).

Almost surely, 2^52451224 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 52451224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59224320).

52451224 is an abundant number, since it is smaller than the sum of its proper divisors (65997416).

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

52451224 is a wasteful number, since it uses less digits than its factorization.

52451224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 436 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 52451224 is about 7242.3217271811. The cubic root of 52451224 is about 374.3276224021.

Adding to 52451224 its reverse (42215425), we get a palindrome (94666649).

The spelling of 52451224 in words is "fifty-two million, four hundred fifty-one thousand, two hundred twenty-four".