55844842 has 8 divisors (see below), whose sum is σ = 84536100. Its totient is φ = 27666144.

The previous prime is 55844839. The next prime is 55844843. The reversal of 55844842 is 24844855.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53567761 + 2277081 = 7319^2 + 1509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55844795 and 55844804.

It is not an unprimeable number, because it can be changed into a prime (55844843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127867 + ... + 128302.

Almost surely, 2^55844842 is an apocalyptic number.

55844842 is a deficient number, since it is larger than the sum of its proper divisors (28691258).

55844842 is a wasteful number, since it uses less digits than its factorization.

55844842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256280.

The product of its digits is 204800, while the sum is 40.

The square root of 55844842 is about 7472.9406527819. The cubic root of 55844842 is about 382.2325685572.

The spelling of 55844842 in words is "fifty-five million, eight hundred forty-four thousand, eight hundred forty-two".