52505015330 has 64 divisors (see below), whose sum is σ = 100447452000. Its totient is φ = 19724974080.

The previous prime is 52505015327. The next prime is 52505015333. The reversal of 52505015330 is 3351050525.

It is an interprime number because it is at equal distance from previous prime (52505015327) and next prime (52505015333).

It can be written as a sum of positive squares in 16 ways, for example, as 1826451169 + 50678564161 = 42737^2 + 225119^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 52505015293 and 52505015302.

It is not an unprimeable number, because it can be changed into a prime (52505015333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4143284 + ... + 4155936.

Almost surely, 2^52505015330 is an apocalyptic number.

52505015330 is a deficient number, since it is larger than the sum of its proper divisors (47942436670).

52505015330 is a wasteful number, since it uses less digits than its factorization.

52505015330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13079.

The product of its (nonzero) digits is 11250, while the sum is 29.

Adding to 52505015330 its reverse (3351050525), we get a palindrome (55856065855).

The spelling of 52505015330 in words is "fifty-two billion, five hundred five million, fifteen thousand, three hundred thirty".