56104369920 has 108 divisors (see below), whose sum is σ = 194115315576. Its totient is φ = 14961162240.

The previous prime is 56104369891. The next prime is 56104369921. The reversal of 56104369920 is 2996340165.

56104369920 is a `hidden beast` number, since 5 + 610 + 4 + 3 + 6 + 9 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56104369921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2423566 + ... + 2446605.

Almost surely, 2^56104369920 is an apocalyptic number.

It is an amenable number.

56104369920 is an abundant number, since it is smaller than the sum of its proper divisors (138010945656).

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

56104369920 is a wasteful number, since it uses less digits than its factorization.

56104369920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870198 (or 4870181 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 56104369920 in words is "fifty-six billion, one hundred four million, three hundred sixty-nine thousand, nine hundred twenty".