52505252530 has 8 divisors (see below), whose sum is σ = 94509454572. Its totient is φ = 21002101008.

The previous prime is 52505252519. The next prime is 52505252531. The reversal of 52505252530 is 3525250525.

It can be written as a sum of positive squares in 2 ways, for example, as 51971688729 + 533563801 = 227973^2 + 23099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52505252531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625262617 + ... + 2625262636.

Almost surely, 2^52505252530 is an apocalyptic number.

52505252530 is a deficient number, since it is larger than the sum of its proper divisors (42004202042).

52505252530 is a wasteful number, since it uses less digits than its factorization.

52505252530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250525260.

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 52505252530 in words is "fifty-two billion, five hundred five million, two hundred fifty-two thousand, five hundred thirty".