55444361 has 12 divisors (see below), whose sum is σ = 67314048. Its totient is φ = 44726592.

The previous prime is 55444343. The next prime is 55444369. The reversal of 55444361 is 16344455.

It is not a de Polignac number, because 55444361 - 2²² = 51250057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11681 + ... + 15726.

It is an arithmetic number, because the mean of its divisors is an integer number (5609504).

Almost surely, 2^55444361 is an apocalyptic number.

It is an amenable number.

55444361 is a deficient number, since it is larger than the sum of its proper divisors (11869687).

55444361 is a wasteful number, since it uses less digits than its factorization.

55444361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27448 (or 27431 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 55444361 is about 7446.0970313312. The cubic root of 55444361 is about 381.3166721703.

The spelling of 55444361 in words is "fifty-five million, four hundred forty-four thousand, three hundred sixty-one".