55143453 has 8 divisors (see below), whose sum is σ = 77394400. Its totient is φ = 34827408.

The previous prime is 55143449. The next prime is 55143463. The reversal of 55143453 is 35434155.

55143453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55143453 - 2² = 55143449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55143453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55143463) 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 7 ways as a sum of consecutive naturals, for example, 483658 + ... + 483771.

It is an arithmetic number, because the mean of its divisors is an integer number (9674300).

Almost surely, 2^55143453 is an apocalyptic number.

It is an amenable number.

55143453 is a deficient number, since it is larger than the sum of its proper divisors (22250947).

55143453 is a wasteful number, since it uses less digits than its factorization.

55143453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967451.

The product of its digits is 18000, while the sum is 30.

The square root of 55143453 is about 7425.8637881394. The cubic root of 55143453 is about 380.6255923319.

The spelling of 55143453 in words is "fifty-five million, one hundred forty-three thousand, four hundred fifty-three".