52408321 has 8 divisors (see below), whose sum is σ = 61827584. Its totient is φ = 43472160.

The previous prime is 52408319. The next prime is 52408339. The reversal of 52408321 is 12380425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52408321 - 2¹ = 52408319 is a prime.

It is a super-2 number, since 2×52408321² = 5493264220078082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52408351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120540 + ... + 120973.

It is an arithmetic number, because the mean of its divisors is an integer number (7728448).

Almost surely, 2^52408321 is an apocalyptic number.

It is an amenable number.

52408321 is a deficient number, since it is larger than the sum of its proper divisors (9419263).

52408321 is a wasteful number, since it uses less digits than its factorization.

52408321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241551.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 52408321 is about 7239.3591567210. The cubic root of 52408321 is about 374.2255328956.

Adding to 52408321 its reverse (12380425), we get a palindrome (64788746).

The spelling of 52408321 in words is "fifty-two million, four hundred eight thousand, three hundred twenty-one".