52321524 has 12 divisors (see below), whose sum is σ = 122083584. Its totient is φ = 17440504.

The previous prime is 52321523. The next prime is 52321537. The reversal of 52321524 is 42512325.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 52321494 and 52321503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52321523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180052 + ... + 2180075.

It is an arithmetic number, because the mean of its divisors is an integer number (10173632).

Almost surely, 2^52321524 is an apocalyptic number.

It is an amenable number.

52321524 is an abundant number, since it is smaller than the sum of its proper divisors (69762060).

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

52321524 is a wasteful number, since it uses less digits than its factorization.

52321524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360134 (or 4360132 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 52321524 is about 7233.3618739836. The cubic root of 52321524 is about 374.0188252509.

Adding to 52321524 its reverse (42512325), we get a palindrome (94833849).

The spelling of 52321524 in words is "fifty-two million, three hundred twenty-one thousand, five hundred twenty-four".