56543434564 has 6 divisors (see below), whose sum is σ = 98951010494. Its totient is φ = 28271717280.

The previous prime is 56543434559. The next prime is 56543434583. The reversal of 56543434564 is 46543434565.

It can be written as a sum of positive squares in only one way, i.e., 44910086400 + 11633348164 = 211920^2 + 107858^2 .

It is a super-3 number, since 3×56543434564³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7067929317 + ... + 7067929324.

Almost surely, 2^56543434564 is an apocalyptic number.

It is an amenable number.

56543434564 is a deficient number, since it is larger than the sum of its proper divisors (42407575930).

56543434564 is a wasteful number, since it uses less digits than its factorization.

56543434564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14135858645 (or 14135858643 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 49.

Subtracting from 56543434564 its reverse (46543434565), we obtain a palindrome (9999999999).

The spelling of 56543434564 in words is "fifty-six billion, five hundred forty-three million, four hundred thirty-four thousand, five hundred sixty-four".