55054805 has 8 divisors (see below), whose sum is σ = 71147832. Its totient is φ = 40655808.

The previous prime is 55054697. The next prime is 55054819. The reversal of 55054805 is 50845055.

It can be written as a sum of positive squares in 4 ways, for example, as 3243601 + 51811204 = 1801^2 + 7198^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55054805 - 2²² = 50860501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423434 + ... + 423563.

It is an arithmetic number, because the mean of its divisors is an integer number (8893479).

Almost surely, 2^55054805 is an apocalyptic number.

It is an amenable number.

55054805 is a deficient number, since it is larger than the sum of its proper divisors (16093027).

55054805 is a wasteful number, since it uses less digits than its factorization.

55054805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847015.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 55054805 is about 7419.8925194372. The cubic root of 55054805 is about 380.4215197856.

It can be divided in two parts, 550 and 54805, that added together give a palindrome (55355).

The spelling of 55054805 in words is "fifty-five million, fifty-four thousand, eight hundred five".