52581452 has 48 divisors (see below), whose sum is σ = 116229120. Its totient is φ = 20217600.

The previous prime is 52581443. The next prime is 52581457. The reversal of 52581452 is 25418525.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52581457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23252 + ... + 25412.

It is an arithmetic number, because the mean of its divisors is an integer number (2421440).

Almost surely, 2^52581452 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 52581452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58114560).

52581452 is an abundant number, since it is smaller than the sum of its proper divisors (63647668).

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

52581452 is a wasteful number, since it uses less digits than its factorization.

52581452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2260 counting only the distinct ones).

The product of its digits is 16000, while the sum is 32.

The square root of 52581452 is about 7251.3069166875. The cubic root of 52581452 is about 374.6371649003.

Adding to 52581452 its reverse (25418525), we get a palindrome (77999977).

The spelling of 52581452 in words is "fifty-two million, five hundred eighty-one thousand, four hundred fifty-two".