52780030555525 has 36 divisors (see below), whose sum is σ = 81988847489892. Its totient is φ = 33408019330560.

The previous prime is 52780030555477. The next prime is 52780030555547. The reversal of 52780030555525 is 52555503008725.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 18287819333476 + 34492211222049 = 4276426^2 + 5873007^2 .

It is not a de Polignac number, because 52780030555525 - 2⁷ = 52780030555397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1657127892 + ... + 1657159741.

Almost surely, 2^{52780030555525} is an apocalyptic number.

It is an amenable number.

52780030555525 is a deficient number, since it is larger than the sum of its proper divisors (29208816934367).

52780030555525 is a wasteful number, since it uses less digits than its factorization.

52780030555525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314287670 (or 3314287658 counting only the distinct ones).

The product of its (nonzero) digits is 10500000, while the sum is 52.

The spelling of 52780030555525 in words is "fifty-two trillion, seven hundred eighty billion, thirty million, five hundred fifty-five thousand, five hundred twenty-five".