56561353068 has 48 divisors (see below), whose sum is σ = 147037653504. Its totient is φ = 16775125440.

The previous prime is 56561353067. The next prime is 56561353111. The reversal of 56561353068 is 86035316565.

It is not an unprimeable number, because it can be changed into a prime (56561353063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4552255 + ... + 4564662.

It is an arithmetic number, because the mean of its divisors is an integer number (3063284448).

Almost surely, 2^56561353068 is an apocalyptic number.

It is an amenable number.

56561353068 is an abundant number, since it is smaller than the sum of its proper divisors (90476300436).

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

56561353068 is a wasteful number, since it uses less digits than its factorization.

56561353068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9116982 (or 9116980 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 56561353068 in words is "fifty-six billion, five hundred sixty-one million, three hundred fifty-three thousand, sixty-eight".