56564896827 has 8 divisors (see below), whose sum is σ = 79389328960. Its totient is φ = 35725197960.

The previous prime is 56564896811. The next prime is 56564896849. The reversal of 56564896827 is 72869846565.

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

It is not a de Polignac number, because 56564896827 - 2⁴ = 56564896811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56564896867) 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, 496183249 + ... + 496183362.

It is an arithmetic number, because the mean of its divisors is an integer number (9923666120).

Almost surely, 2^56564896827 is an apocalyptic number.

56564896827 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56564896827 is a deficient number, since it is larger than the sum of its proper divisors (22824432133).

56564896827 is a wasteful number, since it uses less digits than its factorization.

56564896827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992366633.

The product of its digits is 174182400, while the sum is 66.

The spelling of 56564896827 in words is "fifty-six billion, five hundred sixty-four million, eight hundred ninety-six thousand, eight hundred twenty-seven".