52321642 has 8 divisors (see below), whose sum is σ = 81894816. Its totient is φ = 25023372.

The previous prime is 52321639. The next prime is 52321657. The reversal of 52321642 is 24612325.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568668 + ... + 568759.

It is an arithmetic number, because the mean of its divisors is an integer number (10236852).

Almost surely, 2^52321642 is an apocalyptic number.

52321642 is a deficient number, since it is larger than the sum of its proper divisors (29573174).

52321642 is a wasteful number, since it uses less digits than its factorization.

52321642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137452.

The product of its digits is 2880, while the sum is 25.

The square root of 52321642 is about 7233.3700306289. The cubic root of 52321642 is about 374.0191064238.

Adding to 52321642 its reverse (24612325), we get a palindrome (76933967).

The spelling of 52321642 in words is "fifty-two million, three hundred twenty-one thousand, six hundred forty-two".