52515055232240 has 20 divisors (see below), whose sum is σ = 122097503415144. Its totient is φ = 21006022092864.

The previous prime is 52515055232209. The next prime is 52515055232257. The reversal of 52515055232240 is 4223255051525.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 328219095122 + ... + 328219095281.

Almost surely, 2^{52515055232240} is an apocalyptic number.

It is an amenable number.

52515055232240 is an abundant number, since it is smaller than the sum of its proper divisors (69582448182904).

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

52515055232240 is a wasteful number, since it uses less digits than its factorization.

52515055232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656438190416 (or 656438190410 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 52515055232240 in words is "fifty-two trillion, five hundred fifteen billion, fifty-five million, two hundred thirty-two thousand, two hundred forty".