56863354647 has 32 divisors (see below), whose sum is σ = 84344488704. Its totient is φ = 33788390400.

The previous prime is 56863354643. The next prime is 56863354703. The reversal of 56863354647 is 74645336865.

It is not a de Polignac number, because 56863354647 - 2² = 56863354643 is a prime.

It is a super-2 number, since 2×56863354647² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56863354643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259497 + ... + 425517.

It is an arithmetic number, because the mean of its divisors is an integer number (2635765272).

Almost surely, 2^56863354647 is an apocalyptic number.

56863354647 is a deficient number, since it is larger than the sum of its proper divisors (27481134057).

56863354647 is a wasteful number, since it uses less digits than its factorization.

56863354647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166239.

The product of its digits is 43545600, while the sum is 57.

The spelling of 56863354647 in words is "fifty-six billion, eight hundred sixty-three million, three hundred fifty-four thousand, six hundred forty-seven".