52321115 has 16 divisors (see below), whose sum is σ = 78278400. Its totient is φ = 32615520.

The previous prime is 52321109. The next prime is 52321151. The reversal of 52321115 is 51112325.

It is a happy number.

It is not a de Polignac number, because 52321115 - 2¹⁴ = 52304731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67565 + ... + 68334.

It is an arithmetic number, because the mean of its divisors is an integer number (4892400).

Almost surely, 2^52321115 is an apocalyptic number.

52321115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52321115 is a deficient number, since it is larger than the sum of its proper divisors (25957285).

52321115 is a wasteful number, since it uses less digits than its factorization.

52321115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135922.

The product of its digits is 300, while the sum is 20.

The square root of 52321115 is about 7233.3336021505. Note that the first 3 decimals coincide. The cubic root of 52321115 is about 374.0178506736.

The spelling of 52321115 in words is "fifty-two million, three hundred twenty-one thousand, one hundred fifteen".