53331889 has 4 divisors (see below), whose sum is σ = 57434356. Its totient is φ = 49229424.

The previous prime is 53331881. The next prime is 53331923. The reversal of 53331889 is 98813335.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98813335 = 5 ⋅19762667.

It can be written as a sum of positive squares in 2 ways, for example, as 23814400 + 29517489 = 4880^2 + 5433^2 .

It is a cyclic number.

It is not a de Polignac number, because 53331889 - 2³ = 53331881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53331881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051214 + ... + 2051239.

It is an arithmetic number, because the mean of its divisors is an integer number (14358589).

Almost surely, 2^53331889 is an apocalyptic number.

It is an amenable number.

53331889 is a deficient number, since it is larger than the sum of its proper divisors (4102467).

53331889 is a wasteful number, since it uses less digits than its factorization.

53331889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102466.

The product of its digits is 77760, while the sum is 40.

The square root of 53331889 is about 7302.8685459893. The cubic root of 53331889 is about 376.4110135975.

The spelling of 53331889 in words is "fifty-three million, three hundred thirty-one thousand, eight hundred eighty-nine".