55844825 has 6 divisors (see below), whose sum is σ = 69247614. Its totient is φ = 44675840.

The previous prime is 55844809. The next prime is 55844827. The reversal of 55844825 is 52844855.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1792921 + 54051904 = 1339^2 + 7352^2 .

It is not a de Polignac number, because 55844825 - 2⁴ = 55844809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55844827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116872 + ... + 1116921.

It is an arithmetic number, because the mean of its divisors is an integer number (11541269).

Almost surely, 2^55844825 is an apocalyptic number.

It is an amenable number.

55844825 is a deficient number, since it is larger than the sum of its proper divisors (13402789).

55844825 is a wasteful number, since it uses less digits than its factorization.

55844825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233803 (or 2233798 counting only the distinct ones).

The product of its digits is 256000, while the sum is 41.

The square root of 55844825 is about 7472.9395153447. The cubic root of 55844825 is about 382.2325297714.

The spelling of 55844825 in words is "fifty-five million, eight hundred forty-four thousand, eight hundred twenty-five".