56623404352 has 28 divisors (see below), whose sum is σ = 113116194900. Its totient is φ = 28121686016.

The previous prime is 56623404349. The next prime is 56623404359. The reversal of 56623404352 is 25340432665.

It can be written as a sum of positive squares in 2 ways, for example, as 28488038656 + 28135365696 = 168784^2 + 167736^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56623404359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2959393 + ... + 2978464.

Almost surely, 2^56623404352 is an apocalyptic number.

It is an amenable number.

56623404352 is a deficient number, since it is larger than the sum of its proper divisors (56492790548).

56623404352 is a wasteful number, since it uses less digits than its factorization.

56623404352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5938018 (or 5938008 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 56623404352 in words is "fifty-six billion, six hundred twenty-three million, four hundred four thousand, three hundred fifty-two".