544564216056 has 128 divisors (see below), whose sum is σ = 1582961909760. Its totient is φ = 152897673600.

The previous prime is 544564216039. The next prime is 544564216061. The reversal of 544564216056 is 650612465445.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 544564215996 and 544564216014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3587541 + ... + 3736251.

It is an arithmetic number, because the mean of its divisors is an integer number (12366889920).

Almost surely, 2^544564216056 is an apocalyptic number.

544564216056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544564216056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791480954880).

544564216056 is an abundant number, since it is smaller than the sum of its proper divisors (1038397693704).

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

544564216056 is a wasteful number, since it uses less digits than its factorization.

544564216056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149105 (or 149101 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 544564216056 in words is "five hundred forty-four billion, five hundred sixty-four million, two hundred sixteen thousand, fifty-six".