56283221816 has 8 divisors (see below), whose sum is σ = 105531040920. Its totient is φ = 28141610904.

The previous prime is 56283221807. The next prime is 56283221821. The reversal of 56283221816 is 61812238265.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3517701356 + ... + 3517701371.

It is an arithmetic number, because the mean of its divisors is an integer number (13191380115).

Almost surely, 2^56283221816 is an apocalyptic number.

It is an amenable number.

56283221816 is a deficient number, since it is larger than the sum of its proper divisors (49247819104).

56283221816 is a wasteful number, since it uses less digits than its factorization.

56283221816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035402733 (or 7035402729 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The spelling of 56283221816 in words is "fifty-six billion, two hundred eighty-three million, two hundred twenty-one thousand, eight hundred sixteen".