53353889 has 8 divisors (see below), whose sum is σ = 54922920. Its totient is φ = 51791616.

The previous prime is 53353879. The next prime is 53353901. The reversal of 53353889 is 98835335.

53353889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24010000 + 29343889 = 4900^2 + 5417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53353889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53353829) 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, 17417 + ... + 20249.

It is an arithmetic number, because the mean of its divisors is an integer number (6865365).

Almost surely, 2^53353889 is an apocalyptic number.

It is an amenable number.

53353889 is a deficient number, since it is larger than the sum of its proper divisors (1569031).

53353889 is a wasteful number, since it uses less digits than its factorization.

53353889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379.

The product of its digits is 388800, while the sum is 44.

The square root of 53353889 is about 7304.3746481133. The cubic root of 53353889 is about 376.4627643982.

The spelling of 53353889 in words is "fifty-three million, three hundred fifty-three thousand, eight hundred eighty-nine".