56719256451 has 32 divisors (see below), whose sum is σ = 88866989568. Its totient is φ = 31723895040.

The previous prime is 56719256443. The next prime is 56719256471. The reversal of 56719256451 is 15465291765.

It is not a de Polignac number, because 56719256451 - 2³ = 56719256443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56719256394 and 56719256403.

It is not an unprimeable number, because it can be changed into a prime (56719256471) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2311690 + ... + 2336096.

It is an arithmetic number, because the mean of its divisors is an integer number (2777093424).

Almost surely, 2^56719256451 is an apocalyptic number.

56719256451 is a deficient number, since it is larger than the sum of its proper divisors (32147733117).

56719256451 is a wasteful number, since it uses less digits than its factorization.

56719256451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29851.

The product of its digits is 2268000, while the sum is 51.

The spelling of 56719256451 in words is "fifty-six billion, seven hundred nineteen million, two hundred fifty-six thousand, four hundred fifty-one".