56154766727 has 4 divisors (see below), whose sum is σ = 56163747696. Its totient is φ = 56145785760.

The previous prime is 56154766709. The next prime is 56154766747. The reversal of 56154766727 is 72766745165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56154766727 - 2²⁶ = 56087657863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56154766747) 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 3 ways as a sum of consecutive naturals, for example, 4481099 + ... + 4493612.

It is an arithmetic number, because the mean of its divisors is an integer number (14040936924).

Almost surely, 2^56154766727 is an apocalyptic number.

56154766727 is a deficient number, since it is larger than the sum of its proper divisors (8980969).

56154766727 is an equidigital number, since it uses as much as digits as its factorization.

56154766727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980968.

The product of its digits is 14817600, while the sum is 56.

The spelling of 56154766727 in words is "fifty-six billion, one hundred fifty-four million, seven hundred sixty-six thousand, seven hundred twenty-seven".