55844838 has 48 divisors (see below), whose sum is σ = 145566720. Its totient is φ = 15115248.

The previous prime is 55844827. The next prime is 55844839. The reversal of 55844838 is 83844855.

It is a junction number, because it is equal to n+sod(n) for n = 55844793 and 55844802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55844839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9270 + ... + 14057.

It is an arithmetic number, because the mean of its divisors is an integer number (3032640).

Almost surely, 2^55844838 is an apocalyptic number.

55844838 is an abundant number, since it is smaller than the sum of its proper divisors (89721882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55844838 is a wasteful number, since it uses less digits than its factorization.

55844838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23361 (or 23358 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 55844838 is about 7472.9403851496. The cubic root of 55844838 is about 382.2325594311.

The spelling of 55844838 in words is "fifty-five million, eight hundred forty-four thousand, eight hundred thirty-eight".