53273389 has 4 divisors (see below), whose sum is σ = 57371356. Its totient is φ = 49175424.

The previous prime is 53273387. The next prime is 53273399. The reversal of 53273389 is 98337235.

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 16670889 + 36602500 = 4083^2 + 6050^2 .

It is a cyclic number.

It is not a de Polignac number, because 53273389 - 2¹ = 53273387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53273383) 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, 2048964 + ... + 2048989.

It is an arithmetic number, because the mean of its divisors is an integer number (14342839).

Almost surely, 2^53273389 is an apocalyptic number.

It is an amenable number.

53273389 is a deficient number, since it is larger than the sum of its proper divisors (4097967).

53273389 is a wasteful number, since it uses less digits than its factorization.

53273389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097966.

The product of its digits is 136080, while the sum is 40.

The square root of 53273389 is about 7298.8621715991. The cubic root of 53273389 is about 376.2733342408.

The spelling of 53273389 in words is "fifty-three million, two hundred seventy-three thousand, three hundred eighty-nine".