56418713539 has 4 divisors (see below), whose sum is σ = 56567575960. Its totient is φ = 56269851120.

The previous prime is 56418713513. The next prime is 56418713543. The reversal of 56418713539 is 93531781465.

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 56418713539 - 2¹¹ = 56418711491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56418713509) 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, 74430642 + ... + 74431399.

It is an arithmetic number, because the mean of its divisors is an integer number (14141893990).

Almost surely, 2^56418713539 is an apocalyptic number.

56418713539 is a deficient number, since it is larger than the sum of its proper divisors (148862421).

56418713539 is a wasteful number, since it uses less digits than its factorization.

56418713539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148862420.

The product of its digits is 2721600, while the sum is 52.

The spelling of 56418713539 in words is "fifty-six billion, four hundred eighteen million, seven hundred thirteen thousand, five hundred thirty-nine".