52320624 has 20 divisors (see below), whose sum is σ = 135161736. Its totient is φ = 17440192.

The previous prime is 52320613. The next prime is 52320641. The reversal of 52320624 is 42602325.

52320624 is nontrivially palindromic in base 14.

52320624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 52320594 and 52320603.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 544959 + ... + 545054.

Almost surely, 2^52320624 is an apocalyptic number.

It is an amenable number.

52320624 is an abundant number, since it is smaller than the sum of its proper divisors (82841112).

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

52320624 is a wasteful number, since it uses less digits than its factorization.

52320624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090024 (or 1090018 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 52320624 is about 7233.2996619800. The cubic root of 52320624 is about 374.0166806977.

Adding to 52320624 its reverse (42602325), we get a palindrome (94922949).

The spelling of 52320624 in words is "fifty-two million, three hundred twenty thousand, six hundred twenty-four".