56783923488804 has 12 divisors (see below), whose sum is σ = 132495821473904. Its totient is φ = 18927974496264.

The previous prime is 56783923488793. The next prime is 56783923488833. The reversal of 56783923488804 is 40888432938765.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×56783923488804² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2365996812022 + ... + 2365996812045.

Almost surely, 2^{56783923488804} is an apocalyptic number.

It is an amenable number.

56783923488804 is an abundant number, since it is smaller than the sum of its proper divisors (75711897985100).

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

56783923488804 is a wasteful number, since it uses less digits than its factorization.

56783923488804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731993624074 (or 4731993624072 counting only the distinct ones).

The product of its (nonzero) digits is 2229534720, while the sum is 75.

The spelling of 56783923488804 in words is "fifty-six trillion, seven hundred eighty-three billion, nine hundred twenty-three million, four hundred eighty-eight thousand, eight hundred four".