55643454 has 24 divisors (see below), whose sum is σ = 121375800. Its totient is φ = 18422448.

The previous prime is 55643453. The next prime is 55643459. The reversal of 55643454 is 45434655.

55643454 is a `hidden beast` number, since 5 + 5 + 643 + 4 + 5 + 4 = 666.

55643454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55643453) 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 11 ways as a sum of consecutive naturals, for example, 7692 + ... + 13055.

It is an arithmetic number, because the mean of its divisors is an integer number (5057325).

Almost surely, 2^55643454 is an apocalyptic number.

55643454 is an abundant number, since it is smaller than the sum of its proper divisors (65732346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55643454 is a wasteful number, since it uses less digits than its factorization.

55643454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20904 (or 20901 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 55643454 is about 7459.4540014669. The cubic root of 55643454 is about 381.7725453495.

The spelling of 55643454 in words is "fifty-five million, six hundred forty-three thousand, four hundred fifty-four".