544556656 has 40 divisors (see below), whose sum is σ = 1211172480. Its totient is φ = 232342464.

The previous prime is 544556653. The next prime is 544556669. The reversal of 544556656 is 656655445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544556653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14715 + ... + 36133.

It is an arithmetic number, because the mean of its divisors is an integer number (30279312).

Almost surely, 2^544556656 is an apocalyptic number.

544556656 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 544556656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605586240).

544556656 is an abundant number, since it is smaller than the sum of its proper divisors (666615824).

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

544556656 is a wasteful number, since it uses less digits than its factorization.

544556656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21661 (or 21655 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 46.

The square root of 544556656 is about 23335.7377427841. The cubic root of 544556656 is about 816.6093663717.

The spelling of 544556656 in words is "five hundred forty-four million, five hundred fifty-six thousand, six hundred fifty-six".