56516550546 has 32 divisors (see below), whose sum is σ = 114639816960. Its totient is φ = 18571797504.

The previous prime is 56516550481. The next prime is 56516550557. The reversal of 56516550546 is 64505561565.

It is a junction number, because it is equal to n+sod(n) for n = 56516550495 and 56516550504.

It is an unprimeable number.

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, 218226 + ... + 400818.

It is an arithmetic number, because the mean of its divisors is an integer number (3582494280).

Almost surely, 2^56516550546 is an apocalyptic number.

56516550546 is an abundant number, since it is smaller than the sum of its proper divisors (58123266414).

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

56516550546 is a wasteful number, since it uses less digits than its factorization.

56516550546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183330.

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 56516550546 in words is "fifty-six billion, five hundred sixteen million, five hundred fifty thousand, five hundred forty-six".