56471481597 has 8 divisors (see below), whose sum is σ = 75535870144. Its totient is φ = 37527373728.

The previous prime is 56471481589. The next prime is 56471481611. The reversal of 56471481597 is 79518417465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56471481597 - 2³ = 56471481589 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 (56471481527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30069073 + ... + 30070950.

It is an arithmetic number, because the mean of its divisors is an integer number (9441983768).

Almost surely, 2^56471481597 is an apocalyptic number.

It is an amenable number.

56471481597 is a deficient number, since it is larger than the sum of its proper divisors (19064388547).

56471481597 is a wasteful number, since it uses less digits than its factorization.

56471481597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60140339.

The product of its digits is 8467200, while the sum is 57.

The spelling of 56471481597 in words is "fifty-six billion, four hundred seventy-one million, four hundred eighty-one thousand, five hundred ninety-seven".