65532023556 has 24 divisors (see below), whose sum is σ = 154261226784. Its totient is φ = 21650697600.

The previous prime is 65532023551. The next prime is 65532023563.

65532023556 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65532023556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65532023551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24162370 + ... + 24165081.

It is an arithmetic number, because the mean of its divisors is an integer number (6427551116).

Almost surely, 2^65532023556 is an apocalyptic number.

It is an amenable number.

65532023556 is an abundant number, since it is smaller than the sum of its proper divisors (88729203228).

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

65532023556 is a wasteful number, since it uses less digits than its factorization.

65532023556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48327571 (or 48327569 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

Subtracting from 65532023556 its product of nonzero digits (810000), we obtain a palindrome (65531213556).

It can be divided in two parts, 655320 and 23556, that added together give a palindrome (678876).

The spelling of 65532023556 in words is "sixty-five billion, five hundred thirty-two million, twenty-three thousand, five hundred fifty-six".