53321315 has 8 divisors (see below), whose sum is σ = 67353360. Its totient is φ = 40411872.

The previous prime is 53321297. The next prime is 53321341. The reversal of 53321315 is 51312335.

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 53321315 - 2¹⁰ = 53320291 is a prime.

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, 280544 + ... + 280733.

It is an arithmetic number, because the mean of its divisors is an integer number (8419170).

Almost surely, 2^53321315 is an apocalyptic number.

53321315 is a deficient number, since it is larger than the sum of its proper divisors (14032045).

53321315 is a wasteful number, since it uses less digits than its factorization.

53321315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561301.

The product of its digits is 1350, while the sum is 23.

The square root of 53321315 is about 7302.1445480078. The cubic root of 53321315 is about 376.3861352167.

The spelling of 53321315 in words is "fifty-three million, three hundred twenty-one thousand, three hundred fifteen".