52505002805553 has 8 divisors (see below), whose sum is σ = 77785189341600. Its totient is φ = 35003335203684.

The previous prime is 52505002805477. The next prime is 52505002805561. The reversal of 52505002805553 is 35550820050525.

52505002805553 is a `hidden beast` number, since 5 + 25 + 0 + 50 + 0 + 28 + 0 + 5 + 553 = 666.

It is not a de Polignac number, because 52505002805553 - 2⁹ = 52505002805041 is a prime.

It is a super-2 number, since 2×52505002805553² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52505002805499 and 52505002805508.

It is not an unprimeable number, because it can be changed into a prime (52505002800553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972314866743 + ... + 972314866796.

It is an arithmetic number, because the mean of its divisors is an integer number (9723148667700).

Almost surely, 2^{52505002805553} is an apocalyptic number.

It is an amenable number.

52505002805553 is a deficient number, since it is larger than the sum of its proper divisors (25280186536047).

52505002805553 is a wasteful number, since it uses less digits than its factorization.

52505002805553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944629733548 (or 1944629733542 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 45.

The spelling of 52505002805553 in words is "fifty-two trillion, five hundred five billion, two million, eight hundred five thousand, five hundred fifty-three".