55044146 has 8 divisors (see below), whose sum is σ = 85413420. Its totient is φ = 26573008.

The previous prime is 55044137. The next prime is 55044151. The reversal of 55044146 is 64144055.

55044146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47265625 + 7778521 = 6875^2 + 2789^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474461 + ... + 474576.

Almost surely, 2^55044146 is an apocalyptic number.

55044146 is a deficient number, since it is larger than the sum of its proper divisors (30369274).

55044146 is a wasteful number, since it uses less digits than its factorization.

55044146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949068.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55044146 is about 7419.1742128083. The cubic root of 55044146 is about 380.3969674346.

Subtracting 55044146 from its reverse (64144055), we obtain a palindrome (9099909).

The spelling of 55044146 in words is "fifty-five million, forty-four thousand, one hundred forty-six".