52003240154540 has 12 divisors (see below), whose sum is σ = 109206804324576. Its totient is φ = 20801296061808.

The previous prime is 52003240154501. The next prime is 52003240154561. The reversal of 52003240154540 is 4545104230025.

It is a super-2 number, since 2×52003240154540² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52003240154540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300081003844 + ... + 1300081003883.

It is an arithmetic number, because the mean of its divisors is an integer number (9100567027048).

Almost surely, 2^{52003240154540} is an apocalyptic number.

It is an amenable number.

52003240154540 is an abundant number, since it is smaller than the sum of its proper divisors (57203564170036).

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

52003240154540 is a wasteful number, since it uses less digits than its factorization.

52003240154540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600162007736 (or 2600162007734 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 52003240154540 its reverse (4545104230025), we get a palindrome (56548344384565).

The spelling of 52003240154540 in words is "fifty-two trillion, three billion, two hundred forty million, one hundred fifty-four thousand, five hundred forty".