55433443 has 8 divisors (see below), whose sum is σ = 59797136. Its totient is φ = 51084000.

The previous prime is 55433429. The next prime is 55433453. The reversal of 55433443 is 34433455.

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

It is a cyclic number.

It is not a de Polignac number, because 55433443 - 2¹⁷ = 55302371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55433453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5368 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (7474642).

Almost surely, 2^55433443 is an apocalyptic number.

55433443 is a deficient number, since it is larger than the sum of its proper divisors (4363693).

55433443 is a wasteful number, since it uses less digits than its factorization.

55433443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

The product of its digits is 43200, while the sum is 31.

The square root of 55433443 is about 7445.3638594766. The cubic root of 55433443 is about 381.2916411383.

Adding to 55433443 its reverse (34433455), we get a palindrome (89866898).

The spelling of 55433443 in words is "fifty-five million, four hundred thirty-three thousand, four hundred forty-three".