56554863247 has 4 divisors (see below), whose sum is σ = 56555348440. Its totient is φ = 56554378056.

The previous prime is 56554863227. The next prime is 56554863257. The reversal of 56554863247 is 74236845565.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56554863247 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 (56554863227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49393 + ... + 339925.

It is an arithmetic number, because the mean of its divisors is an integer number (14138837110).

Almost surely, 2^56554863247 is an apocalyptic number.

56554863247 is a deficient number, since it is larger than the sum of its proper divisors (485193).

56554863247 is a wasteful number, since it uses less digits than its factorization.

56554863247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485192.

The product of its digits is 24192000, while the sum is 55.

The spelling of 56554863247 in words is "fifty-six billion, five hundred fifty-four million, eight hundred sixty-three thousand, two hundred forty-seven".