52553389 has 4 divisors (see below), whose sum is σ = 60061024. Its totient is φ = 45045756.

The previous prime is 52553387. The next prime is 52553399. The reversal of 52553389 is 98335525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52553389 - 2¹ = 52553387 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 (52553387) 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, 3753807 + ... + 3753820.

It is an arithmetic number, because the mean of its divisors is an integer number (15015256).

Almost surely, 2^52553389 is an apocalyptic number.

It is an amenable number.

52553389 is a deficient number, since it is larger than the sum of its proper divisors (7507635).

52553389 is an equidigital number, since it uses as much as digits as its factorization.

52553389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507634.

The product of its digits is 162000, while the sum is 40.

The square root of 52553389 is about 7249.3716279413. The cubic root of 52553389 is about 374.5705044254.

The spelling of 52553389 in words is "fifty-two million, five hundred fifty-three thousand, three hundred eighty-nine".