55583805 has 16 divisors (see below), whose sum is σ = 91338624. Its totient is φ = 28843200.

The previous prime is 55583791. The next prime is 55583831. The reversal of 55583805 is 50838555.

It is not a de Polignac number, because 55583805 - 2⁴ = 55583789 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49521 + ... + 50630.

It is an arithmetic number, because the mean of its divisors is an integer number (5708664).

Almost surely, 2^55583805 is an apocalyptic number.

It is an amenable number.

55583805 is a deficient number, since it is larger than the sum of its proper divisors (35754819).

55583805 is a wasteful number, since it uses less digits than its factorization.

55583805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100196.

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 55583805 is about 7455.4547145027. The cubic root of 55583805 is about 381.6360783081.

The spelling of 55583805 in words is "fifty-five million, five hundred eighty-three thousand, eight hundred five".