56815241547 has 8 divisors (see below), whose sum is σ = 75777186960. Its totient is φ = 37865061920.

The previous prime is 56815241543. The next prime is 56815241563. The reversal of 56815241547 is 74514251865.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56815241547 - 2² = 56815241543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56815241496 and 56815241505.

It is not an unprimeable number, because it can be changed into a prime (56815241543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930172 + ... + 2949497.

It is an arithmetic number, because the mean of its divisors is an integer number (9472148370).

Almost surely, 2^56815241547 is an apocalyptic number.

56815241547 is a deficient number, since it is larger than the sum of its proper divisors (18961945413).

56815241547 is a wasteful number, since it uses less digits than its factorization.

56815241547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882893.

The product of its digits is 1344000, while the sum is 48.

The spelling of 56815241547 in words is "fifty-six billion, eight hundred fifteen million, two hundred forty-one thousand, five hundred forty-seven".