56427772135 has 32 divisors (see below), whose sum is σ = 77780736000. Its totient is φ = 38496595200.

The previous prime is 56427772127. The next prime is 56427772139. The reversal of 56427772135 is 53127772465.

It is not a de Polignac number, because 56427772135 - 2³ = 56427772127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56427772139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12135291 + ... + 12139939.

It is an arithmetic number, because the mean of its divisors is an integer number (2430648000).

Almost surely, 2^56427772135 is an apocalyptic number.

56427772135 is a deficient number, since it is larger than the sum of its proper divisors (21352963865).

56427772135 is a wasteful number, since it uses less digits than its factorization.

56427772135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6351.

The product of its digits is 2469600, while the sum is 49.

It can be divided in two parts, 5642 and 7772135, that added together give a palindrome (7777777).

The spelling of 56427772135 in words is "fifty-six billion, four hundred twenty-seven million, seven hundred seventy-two thousand, one hundred thirty-five".