55768563 has 6 divisors (see below), whose sum is σ = 80554604. Its totient is φ = 37179036.

The previous prime is 55768547. The next prime is 55768567. The reversal of 55768563 is 36586755.

It is not a de Polignac number, because 55768563 - 2⁴ = 55768547 is a prime.

It is a super-2 number, since 2×55768563² = 6220265238169938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55768567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3098245 + ... + 3098262.

Almost surely, 2^55768563 is an apocalyptic number.

55768563 is a deficient number, since it is larger than the sum of its proper divisors (24786041).

55768563 is a wasteful number, since it uses less digits than its factorization.

55768563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196513 (or 6196510 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 55768563 is about 7467.8352284983. The cubic root of 55768563 is about 382.0584575614.

The spelling of 55768563 in words is "fifty-five million, seven hundred sixty-eight thousand, five hundred sixty-three".