56380134427 has 4 divisors (see below), whose sum is σ = 56380657536. Its totient is φ = 56379611320.

The previous prime is 56380134409. The next prime is 56380134451. The reversal of 56380134427 is 72443108365.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56380134427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56380134497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33748 + ... + 337489.

It is an arithmetic number, because the mean of its divisors is an integer number (14095164384).

Almost surely, 2^56380134427 is an apocalyptic number.

56380134427 is a deficient number, since it is larger than the sum of its proper divisors (523109).

56380134427 is a wasteful number, since it uses less digits than its factorization.

56380134427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523108.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 56380134427 in words is "fifty-six billion, three hundred eighty million, one hundred thirty-four thousand, four hundred twenty-seven".