55446443 has 8 divisors (see below), whose sum is σ = 59845968. Its totient is φ = 51066144.

The previous prime is 55446409. The next prime is 55446481. The reversal of 55446443 is 34464455.

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 55446443 - 2⁸ = 55446187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55446043) 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, 1505 + ... + 10637.

It is an arithmetic number, because the mean of its divisors is an integer number (7480746).

Almost surely, 2^55446443 is an apocalyptic number.

55446443 is a deficient number, since it is larger than the sum of its proper divisors (4399525).

55446443 is a wasteful number, since it uses less digits than its factorization.

55446443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613.

The product of its digits is 115200, while the sum is 35.

The square root of 55446443 is about 7446.2368348045. The cubic root of 55446443 is about 381.3214450716.

The spelling of 55446443 in words is "fifty-five million, four hundred forty-six thousand, four hundred forty-three".