52308553 has 4 divisors (see below), whose sum is σ = 57063888. Its totient is φ = 47553220.

The previous prime is 52308533. The next prime is 52308559. The reversal of 52308553 is 35580325.

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 52308553 - 2⁵ = 52308521 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52308559) 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, 2377651 + ... + 2377672.

It is an arithmetic number, because the mean of its divisors is an integer number (14265972).

Almost surely, 2^52308553 is an apocalyptic number.

It is an amenable number.

52308553 is a deficient number, since it is larger than the sum of its proper divisors (4755335).

52308553 is a wasteful number, since it uses less digits than its factorization.

52308553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755334.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 52308553 is about 7232.4652090418. The cubic root of 52308553 is about 373.9879150966.

Adding to 52308553 its reverse (35580325), we get a palindrome (87888878).

The spelling of 52308553 in words is "fifty-two million, three hundred eight thousand, five hundred fifty-three".