65552025555 has 12 divisors (see below), whose sum is σ = 113623511040. Its totient is φ = 34961080272.

The previous prime is 65552025529. The next prime is 65552025589. The reversal of 65552025555 is 55552025556.

It is a happy number.

65552025555 is a `hidden beast` number, since 6 + 5 + 55 + 20 + 25 + 555 = 666.

It is not a de Polignac number, because 65552025555 - 2⁵ = 65552025523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1456711679 = 65552025555 / (6 + 5 + 5 + 5 + 2 + 0 + 2 + 5 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 65552025555.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 728355795 + ... + 728355884.

It is an arithmetic number, because the mean of its divisors is an integer number (9468625920).

Almost surely, 2^65552025555 is an apocalyptic number.

65552025555 is a deficient number, since it is larger than the sum of its proper divisors (48071485485).

65552025555 is a wasteful number, since it uses less digits than its factorization.

65552025555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456711690 (or 1456711687 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

Subtracting from 65552025555 its reverse (55552025556), we obtain a palindrome (9999999999).

The spelling of 65552025555 in words is "sixty-five billion, five hundred fifty-two million, twenty-five thousand, five hundred fifty-five".