52303472 has 90 divisors (see below), whose sum is σ = 118588392. Its totient is φ = 22294272.

The previous prime is 52303469. The next prime is 52303481. The reversal of 52303472 is 27430325.

It is a Harshad number since it is a multiple of its sum of digits (26).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1803554 + ... + 1803582.

Almost surely, 2^52303472 is an apocalyptic number.

52303472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52303472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59294196).

52303472 is an abundant number, since it is smaller than the sum of its proper divisors (66284920).

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

52303472 is a wasteful number, since it uses less digits than its factorization.

52303472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 52303472 is about 7232.1139371556. The cubic root of 52303472 is about 373.9758055783.

Adding to 52303472 its reverse (27430325), we get a palindrome (79733797).

The spelling of 52303472 in words is "fifty-two million, three hundred three thousand, four hundred seventy-two".