53890873 has 4 divisors (see below), whose sum is σ = 54424548. Its totient is φ = 53357200.

The previous prime is 53890861. The next prime is 53890883. The reversal of 53890873 is 37809835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34070569 + 19820304 = 5837^2 + 4452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53890873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53890813) 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, 266686 + ... + 266887.

It is an arithmetic number, because the mean of its divisors is an integer number (13606137).

Almost surely, 2^53890873 is an apocalyptic number.

It is an amenable number.

53890873 is a deficient number, since it is larger than the sum of its proper divisors (533675).

53890873 is a wasteful number, since it uses less digits than its factorization.

53890873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533674.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 53890873 is about 7341.0403213714. The cubic root of 53890873 is about 377.7215295500.

The spelling of 53890873 in words is "fifty-three million, eight hundred ninety thousand, eight hundred seventy-three".