52431552 has 84 divisors (see below), whose sum is σ = 151324056. Its totient is φ = 17356800.

The previous prime is 52431541. The next prime is 52431557. The reversal of 52431552 is 25513425.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52431557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130552 + ... + 130952.

Almost surely, 2^52431552 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 52431552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75662028).

52431552 is an abundant number, since it is smaller than the sum of its proper divisors (98892504).

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

52431552 is a wasteful number, since it uses less digits than its factorization.

52431552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 633 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52431552 is about 7240.9634718040. The cubic root of 52431552 is about 374.2808189581.

Adding to 52431552 its reverse (25513425), we get a palindrome (77944977).

The spelling of 52431552 in words is "fifty-two million, four hundred thirty-one thousand, five hundred fifty-two".