65545454556 has 48 divisors (see below), whose sum is σ = 177321043200. Its totient is φ = 20898549936.

The previous prime is 65545454549. The next prime is 65545454567.

65545454556 is a `hidden beast` number, since 6 + 5 + 5 + 4 + 545 + 45 + 56 = 666.

65545454556 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65545454556² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13191046 + ... + 13196013.

It is an arithmetic number, because the mean of its divisors is an integer number (3694188400).

Almost surely, 2^65545454556 is an apocalyptic number.

It is an amenable number.

65545454556 is an abundant number, since it is smaller than the sum of its proper divisors (111775588644).

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

65545454556 is a wasteful number, since it uses less digits than its factorization.

65545454556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26387095 (or 26387087 counting only the distinct ones).

The product of its digits is 36000000, while the sum is 54.

The spelling of 65545454556 in words is "sixty-five billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred fifty-six".