52403472 has 60 divisors (see below), whose sum is σ = 159994224. Its totient is φ = 15879360.

The previous prime is 52403443. The next prime is 52403473. The reversal of 52403472 is 27430425.

52403472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52403472² = 5492247755309568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52403473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14958 + ... + 18125.

Almost surely, 2^52403472 is an apocalyptic number.

It is an amenable number.

52403472 is an abundant number, since it is smaller than the sum of its proper divisors (107590752).

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

52403472 is a wasteful number, since it uses less digits than its factorization.

52403472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33108 (or 33099 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 52403472 is about 7239.0242436395. The cubic root of 52403472 is about 374.2139909906.

Adding to 52403472 its reverse (27430425), we get a palindrome (79833897).

The spelling of 52403472 in words is "fifty-two million, four hundred three thousand, four hundred seventy-two".