53322891 has 8 divisors (see below), whose sum is σ = 71133840. Its totient is φ = 35530272.

The previous prime is 53322869. The next prime is 53322943. The reversal of 53322891 is 19822335.

53322891 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 not a de Polignac number, because 53322891 - 2⁵ = 53322859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53322811) 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, 5181 + ... + 11553.

It is an arithmetic number, because the mean of its divisors is an integer number (8891730).

Almost surely, 2^53322891 is an apocalyptic number.

53322891 is a deficient number, since it is larger than the sum of its proper divisors (17810949).

53322891 is a wasteful number, since it uses less digits than its factorization.

53322891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165.

The product of its digits is 12960, while the sum is 33.

The square root of 53322891 is about 7302.2524607137. The cubic root of 53322891 is about 376.3898434192.

The spelling of 53322891 in words is "fifty-three million, three hundred twenty-two thousand, eight hundred ninety-one".