56044880644 has 9 divisors (see below), whose sum is σ = 98079369717. Its totient is φ = 28022203584.

The previous prime is 56044880603. The next prime is 56044880663. The reversal of 56044880644 is 44608844065.

The square root of 56044880644 is 236738.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23298359044 + 32746521600 = 152638^2 + 180960^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 414292 + ... + 532660.

Almost surely, 2^56044880644 is an apocalyptic number.

56044880644 is the 236738-th square number.

It is an amenable number.

56044880644 is a deficient number, since it is larger than the sum of its proper divisors (42034489073).

56044880644 is an frugal number, since it uses more digits than its factorization.

56044880644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236742 (or 118371 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 49.

Multiplying 56044880644 by its sum of digits (49), we get a square (2746199151556 = 1657166²).

The spelling of 56044880644 in words is "fifty-six billion, forty-four million, eight hundred eighty thousand, six hundred forty-four".