52525430540 has 24 divisors (see below), whose sum is σ = 120330986832. Its totient is φ = 19100156480.

The previous prime is 52525430539. The next prime is 52525430549. The reversal of 52525430540 is 4503452525.

It is a self number, because there is not a number n which added to its sum of digits gives 52525430540.

It is not an unprimeable number, because it can be changed into a prime (52525430549) 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 7 ways as a sum of consecutive naturals, for example, 119375759 + ... + 119376198.

It is an arithmetic number, because the mean of its divisors is an integer number (5013791118).

Almost surely, 2^52525430540 is an apocalyptic number.

It is an amenable number.

52525430540 is an abundant number, since it is smaller than the sum of its proper divisors (67805556292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52525430540 is a wasteful number, since it uses less digits than its factorization.

52525430540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238751977 (or 238751975 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 52525430540 in words is "fifty-two billion, five hundred twenty-five million, four hundred thirty thousand, five hundred forty".