55444463 has 16 divisors (see below), whose sum is σ = 60750144. Its totient is φ = 50388480.

The previous prime is 55444457. The next prime is 55444469. The reversal of 55444463 is 36444455.

It is an interprime number because it is at equal distance from previous prime (55444457) and next prime (55444469).

It is a cyclic number.

It is not a de Polignac number, because 55444463 - 2¹⁸ = 55182319 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113606 + ... + 114092.

It is an arithmetic number, because the mean of its divisors is an integer number (3796884).

Almost surely, 2^55444463 is an apocalyptic number.

55444463 is a deficient number, since it is larger than the sum of its proper divisors (5305681).

55444463 is a wasteful number, since it uses less digits than its factorization.

55444463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

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

The square root of 55444463 is about 7446.1038805539. The cubic root of 55444463 is about 381.3169060040.

The spelling of 55444463 in words is "fifty-five million, four hundred forty-four thousand, four hundred sixty-three".