55554805 has 16 divisors (see below), whose sum is σ = 67858560. Its totient is φ = 43655488.

The previous prime is 55554773. The next prime is 55554817. The reversal of 55554805 is 50845555.

It is a cyclic number.

It is not a de Polignac number, because 55554805 - 2⁵ = 55554773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108891 + ... + 109399.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^55554805 is an apocalyptic number.

It is an amenable number.

55554805 is a deficient number, since it is larger than the sum of its proper divisors (12303755).

55554805 is a wasteful number, since it uses less digits than its factorization.

55554805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its (nonzero) digits is 100000, while the sum is 37.

The square root of 55554805 is about 7453.5095760320. The cubic root of 55554805 is about 381.5696958334.

The spelling of 55554805 in words is "fifty-five million, five hundred fifty-four thousand, eight hundred five".