55104447 has 8 divisors (see below), whose sum is σ = 74358144. Its totient is φ = 36293528.

The previous prime is 55104443. The next prime is 55104473. The reversal of 55104447 is 74440155.

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 55104447 - 2² = 55104443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55104443) 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, 110403 + ... + 110900.

It is an arithmetic number, because the mean of its divisors is an integer number (9294768).

Almost surely, 2^55104447 is an apocalyptic number.

55104447 is a deficient number, since it is larger than the sum of its proper divisors (19253697).

55104447 is a wasteful number, since it uses less digits than its factorization.

55104447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221389.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 55104447 is about 7423.2369624039. The cubic root of 55104447 is about 380.5358253512.

The spelling of 55104447 in words is "fifty-five million, one hundred four thousand, four hundred forty-seven".