55044245 has 4 divisors (see below), whose sum is σ = 66053100. Its totient is φ = 44035392.

The previous prime is 55044229. The next prime is 55044281. The reversal of 55044245 is 54244055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7171684 + 47872561 = 2678^2 + 6919^2 .

It is a cyclic number.

It is not a de Polignac number, because 55044245 - 2⁴ = 55044229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5504420 + ... + 5504429.

It is an arithmetic number, because the mean of its divisors is an integer number (16513275).

Almost surely, 2^55044245 is an apocalyptic number.

It is an amenable number.

55044245 is a deficient number, since it is larger than the sum of its proper divisors (11008855).

55044245 is a wasteful number, since it uses less digits than its factorization.

55044245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11008854.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 55044245 is about 7419.1808847069. The cubic root of 55044245 is about 380.3971954896.

The spelling of 55044245 in words is "fifty-five million, forty-four thousand, two hundred forty-five".