56535163556 has 12 divisors (see below), whose sum is σ = 104143722480. Its totient is φ = 26779814280.

The previous prime is 56535163523. The next prime is 56535163609. The reversal of 56535163556 is 65536153565.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371941790 + ... + 371941941.

It is an arithmetic number, because the mean of its divisors is an integer number (8678643540).

Almost surely, 2^56535163556 is an apocalyptic number.

It is an amenable number.

56535163556 is a deficient number, since it is larger than the sum of its proper divisors (47608558924).

56535163556 is a wasteful number, since it uses less digits than its factorization.

56535163556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743883754 (or 743883752 counting only the distinct ones).

The product of its digits is 6075000, while the sum is 50.

Subtracting 56535163556 from its reverse (65536153565), we obtain a palindrome (9000990009).

The spelling of 56535163556 in words is "fifty-six billion, five hundred thirty-five million, one hundred sixty-three thousand, five hundred fifty-six".