55468643 has 4 divisors (see below), whose sum is σ = 55549608. Its totient is φ = 55387680.

The previous prime is 55468639. The next prime is 55468669. The reversal of 55468643 is 34686455.

55468643 = T₂ + T₃ + ... + T₆₉₂.

55468643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55468643 - 2² = 55468639 is a prime.

It is a super-2 number, since 2×55468643² = 6153540712522898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55468643.

It is not an unprimeable number, because it can be changed into a prime (55468243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39446 + ... + 40827.

It is an arithmetic number, because the mean of its divisors is an integer number (13887402).

Almost surely, 2^55468643 is an apocalyptic number.

55468643 is a deficient number, since it is larger than the sum of its proper divisors (80965).

55468643 is an equidigital number, since it uses as much as digits as its factorization.

55468643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80964.

The product of its digits is 345600, while the sum is 41.

The square root of 55468643 is about 7447.7273714872. The cubic root of 55468643 is about 381.3723302506.

The spelling of 55468643 in words is "fifty-five million, four hundred sixty-eight thousand, six hundred forty-three".