56555386752 has 64 divisors (see below), whose sum is σ = 159062043600. Its totient is φ = 17742864384.

The previous prime is 56555386751. The next prime is 56555386777. The reversal of 56555386752 is 25768355565.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 56555386692 and 56555386701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56555386751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4325227 + ... + 4338282.

Almost surely, 2^56555386752 is an apocalyptic number.

It is an amenable number.

56555386752 is an abundant number, since it is smaller than the sum of its proper divisors (102506656848).

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

56555386752 is a wasteful number, since it uses less digits than its factorization.

56555386752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8663543 (or 8663531 counting only the distinct ones).

The product of its digits is 37800000, while the sum is 57.

The spelling of 56555386752 in words is "fifty-six billion, five hundred fifty-five million, three hundred eighty-six thousand, seven hundred fifty-two".