55556705 has 4 divisors (see below), whose sum is σ = 66668052. Its totient is φ = 44445360.

The previous prime is 55556693. The next prime is 55556713. The reversal of 55556705 is 50765555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50765555 = 5 ⋅10153111.

It can be written as a sum of positive squares in 2 ways, for example, as 27920656 + 27636049 = 5284^2 + 5257^2 .

It is not a de Polignac number, because 55556705 - 2⁴ = 55556689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555666 + ... + 5555675.

It is an arithmetic number, because the mean of its divisors is an integer number (16667013).

Almost surely, 2^55556705 is an apocalyptic number.

It is an amenable number.

55556705 is a deficient number, since it is larger than the sum of its proper divisors (11111347).

55556705 is a wasteful number, since it uses less digits than its factorization.

55556705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111346.

The product of its (nonzero) digits is 131250, while the sum is 38.

The square root of 55556705 is about 7453.6370316779. The cubic root of 55556705 is about 381.5740457371.

The spelling of 55556705 in words is "fifty-five million, five hundred fifty-six thousand, seven hundred five".