56408862788 has 48 divisors (see below), whose sum is σ = 100690778160. Its totient is φ = 27647176704.

The previous prime is 56408862787. The next prime is 56408862793. The reversal of 56408862788 is 88726880465.

It can be written as a sum of positive squares in 8 ways, for example, as 1848312064 + 54560550724 = 42992^2 + 233582^2 .

It is a super-2 number, since 2×56408862788² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56408862788.

It is not an unprimeable number, because it can be changed into a prime (56408862787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18142178 + ... + 18145286.

It is an arithmetic number, because the mean of its divisors is an integer number (2097724545).

Almost surely, 2^56408862788 is an apocalyptic number.

It is an amenable number.

56408862788 is a deficient number, since it is larger than the sum of its proper divisors (44281915372).

56408862788 is a wasteful number, since it uses less digits than its factorization.

56408862788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 62.

The spelling of 56408862788 in words is "fifty-six billion, four hundred eight million, eight hundred sixty-two thousand, seven hundred eighty-eight".