52315231553 has 4 divisors (see below), whose sum is σ = 56339480148. Its totient is φ = 48290982960.

The previous prime is 52315231543. The next prime is 52315231607. The reversal of 52315231553 is 35513251325.

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 22361314369 + 29953917184 = 149537^2 + 173072^2 .

It is a cyclic number.

It is not a de Polignac number, because 52315231553 - 2¹⁶ = 52315166017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52315231523) 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, 2012124278 + ... + 2012124303.

It is an arithmetic number, because the mean of its divisors is an integer number (14084870037).

Almost surely, 2^52315231553 is an apocalyptic number.

It is an amenable number.

52315231553 is a deficient number, since it is larger than the sum of its proper divisors (4024248595).

52315231553 is a wasteful number, since it uses less digits than its factorization.

52315231553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024248594.

The product of its digits is 67500, while the sum is 35.

Adding to 52315231553 its reverse (35513251325), we get a palindrome (87828482878).

The spelling of 52315231553 in words is "fifty-two billion, three hundred fifteen million, two hundred thirty-one thousand, five hundred fifty-three".