52321505 has 8 divisors (see below), whose sum is σ = 62826624. Its totient is φ = 41830000.

The previous prime is 52321487. The next prime is 52321513. The reversal of 52321505 is 50512325.

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

It is not a de Polignac number, because 52321505 - 2¹⁶ = 52255969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9530 + ... + 13980.

It is an arithmetic number, because the mean of its divisors is an integer number (7853328).

Almost surely, 2^52321505 is an apocalyptic number.

It is an amenable number.

52321505 is a deficient number, since it is larger than the sum of its proper divisors (10505119).

52321505 is a wasteful number, since it uses less digits than its factorization.

52321505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 52321505 is about 7233.3605606246. The cubic root of 52321505 is about 374.0187799772.

The spelling of 52321505 in words is "fifty-two million, three hundred twenty-one thousand, five hundred five".