56856464547 has 8 divisors (see below), whose sum is σ = 78422709840. Its totient is φ = 36597264480.

The previous prime is 56856464537. The next prime is 56856464551. The reversal of 56856464547 is 74546465865.

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

It is not a de Polignac number, because 56856464547 - 2¹⁶ = 56856399011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56856464537) 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 7 ways as a sum of consecutive naturals, for example, 326761204 + ... + 326761377.

It is an arithmetic number, because the mean of its divisors is an integer number (9802838730).

Almost surely, 2^56856464547 is an apocalyptic number.

56856464547 is a deficient number, since it is larger than the sum of its proper divisors (21566245293).

56856464547 is a wasteful number, since it uses less digits than its factorization.

56856464547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653522613.

The product of its digits is 96768000, while the sum is 60.

The spelling of 56856464547 in words is "fifty-six billion, eight hundred fifty-six million, four hundred sixty-four thousand, five hundred forty-seven".