56064644 has 6 divisors (see below), whose sum is σ = 98113134. Its totient is φ = 28032320.

The previous prime is 56064643. The next prime is 56064661. The reversal of 56064644 is 44646065.

It can be written as a sum of positive squares in only one way, i.e., 55950400 + 114244 = 7480^2 + 338^2 .

It is not an unprimeable number, because it can be changed into a prime (56064643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7008077 + ... + 7008084.

It is an arithmetic number, because the mean of its divisors is an integer number (16352189).

Almost surely, 2^56064644 is an apocalyptic number.

It is an amenable number.

56064644 is a deficient number, since it is larger than the sum of its proper divisors (42048490).

56064644 is a wasteful number, since it uses less digits than its factorization.

56064644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016165 (or 14016163 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 56064644 is about 7487.6327367199. The cubic root of 56064644 is about 382.7333936634.

The spelling of 56064644 in words is "fifty-six million, sixty-four thousand, six hundred forty-four".