56555005064 has 16 divisors (see below), whose sum is σ = 106299908700. Its totient is φ = 28208362752.

The previous prime is 56555005061. The next prime is 56555005099. The reversal of 56555005064 is 46050055565.

It can be written as a sum of positive squares in 2 ways, for example, as 46372176964 + 10182828100 = 215342^2 + 100910^2 .

It is not an unprimeable number, because it can be changed into a prime (56555005061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8638997 + ... + 8645540.

Almost surely, 2^56555005064 is an apocalyptic number.

It is an amenable number.

56555005064 is a deficient number, since it is larger than the sum of its proper divisors (49744903636).

56555005064 is a wasteful number, since it uses less digits than its factorization.

56555005064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17284952 (or 17284948 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 56555005064 in words is "fifty-six billion, five hundred fifty-five million, five thousand, sixty-four".