56787442455 has 8 divisors (see below), whose sum is σ = 90859907952. Its totient is φ = 30286635968.

The previous prime is 56787442441. The next prime is 56787442489. The reversal of 56787442455 is 55424478765.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56787442455 - 2²⁰ = 56786393879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56787442395 and 56787442404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892914734 + ... + 1892914763.

It is an arithmetic number, because the mean of its divisors is an integer number (11357488494).

Almost surely, 2^56787442455 is an apocalyptic number.

56787442455 is a deficient number, since it is larger than the sum of its proper divisors (34072465497).

56787442455 is a wasteful number, since it uses less digits than its factorization.

56787442455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785829505.

The product of its digits is 37632000, while the sum is 57.

The spelling of 56787442455 in words is "fifty-six billion, seven hundred eighty-seven million, four hundred forty-two thousand, four hundred fifty-five".