545545656264 has 128 divisors (see below), whose sum is σ = 1583105230080. Its totient is φ = 153438105600.

The previous prime is 545545656259. The next prime is 545545656281. The reversal of 545545656264 is 462656545545.

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 31 ways as a sum of consecutive naturals, for example, 6346854 + ... + 6432234.

It is an arithmetic number, because the mean of its divisors is an integer number (12368009610).

Almost surely, 2^545545656264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545545656264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791552615040).

545545656264 is an abundant number, since it is smaller than the sum of its proper divisors (1037559573816).

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

545545656264 is a wasteful number, since it uses less digits than its factorization.

545545656264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85991 (or 85987 counting only the distinct ones).

The product of its digits is 86400000, while the sum is 57.

The spelling of 545545656264 in words is "five hundred forty-five billion, five hundred forty-five million, six hundred fifty-six thousand, two hundred sixty-four".