55554806 has 4 divisors (see below), whose sum is σ = 83332212. Its totient is φ = 27777402.

The previous prime is 55554773. The next prime is 55554817. The reversal of 55554806 is 60845555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60845555 = 5 ⋅12169111.

It is a self number, because there is not a number n which added to its sum of digits gives 55554806.

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 as a sum of consecutive naturals, namely, 13888700 + ... + 13888703.

It is an arithmetic number, because the mean of its divisors is an integer number (20833053).

Almost surely, 2^55554806 is an apocalyptic number.

55554806 is a deficient number, since it is larger than the sum of its proper divisors (27777406).

55554806 is a wasteful number, since it uses less digits than its factorization.

55554806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27777405.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 55554806 is about 7453.5096431144. The cubic root of 55554806 is about 381.5696981229.

The spelling of 55554806 in words is "fifty-five million, five hundred fifty-four thousand, eight hundred six".