53223187 has 8 divisors (see below), whose sum is σ = 55193600. Its totient is φ = 51268680.

The previous prime is 53223179. The next prime is 53223193. The reversal of 53223187 is 78132235.

53223187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53223187 - 2³ = 53223179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53223167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3064 + ... + 10762.

It is an arithmetic number, because the mean of its divisors is an integer number (6899200).

Almost surely, 2^53223187 is an apocalyptic number.

53223187 is a deficient number, since it is larger than the sum of its proper divisors (1970413).

53223187 is a wasteful number, since it uses less digits than its factorization.

53223187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953.

The product of its digits is 10080, while the sum is 31.

The square root of 53223187 is about 7295.4223318462. The cubic root of 53223187 is about 376.1551037889.

The spelling of 53223187 in words is "fifty-three million, two hundred twenty-three thousand, one hundred eighty-seven".