55844415 has 48 divisors (see below), whose sum is σ = 106737696. Its totient is φ = 26784000.

The previous prime is 55844407. The next prime is 55844447. The reversal of 55844415 is 51444855.

It is a happy number.

It is not a de Polignac number, because 55844415 - 2³ = 55844407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55844415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49437 + ... + 50553.

It is an arithmetic number, because the mean of its divisors is an integer number (2223702).

Almost surely, 2^55844415 is an apocalyptic number.

55844415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55844415 is a deficient number, since it is larger than the sum of its proper divisors (50893281).

55844415 is a wasteful number, since it uses less digits than its factorization.

55844415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1237 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 55844415 is about 7472.9120829834. The cubic root of 55844415 is about 382.2315943477.

It can be divided in two parts, 5584 and 4415, that added together give a palindrome (9999).

The spelling of 55844415 in words is "fifty-five million, eight hundred forty-four thousand, four hundred fifteen".