53328873 has 16 divisors (see below), whose sum is σ = 77053760. Its totient is φ = 32612544.

The previous prime is 53328857. The next prime is 53328887. The reversal of 53328873 is 37882335.

It is not a de Polignac number, because 53328873 - 2⁴ = 53328857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53328893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2163 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (4815860).

Almost surely, 2^53328873 is an apocalyptic number.

It is an amenable number.

53328873 is a deficient number, since it is larger than the sum of its proper divisors (23724887).

53328873 is a wasteful number, since it uses less digits than its factorization.

53328873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8568.

The product of its digits is 120960, while the sum is 39.

The square root of 53328873 is about 7302.6620488696. The cubic root of 53328873 is about 376.4039179240.

The spelling of 53328873 in words is "fifty-three million, three hundred twenty-eight thousand, eight hundred seventy-three".