55706605 has 4 divisors (see below), whose sum is σ = 66847932. Its totient is φ = 44565280.

The previous prime is 55706587. The next prime is 55706641. The reversal of 55706605 is 50660755.

55706605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10588516 + 45118089 = 3254^2 + 6717^2 .

It is not a de Polignac number, because 55706605 - 2¹⁹ = 55182317 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570656 + ... + 5570665.

It is an arithmetic number, because the mean of its divisors is an integer number (16711983).

Almost surely, 2^55706605 is an apocalyptic number.

It is an amenable number.

55706605 is a deficient number, since it is larger than the sum of its proper divisors (11141327).

55706605 is a wasteful number, since it uses less digits than its factorization.

55706605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141326.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 55706605 is about 7463.6857516913. The cubic root of 55706605 is about 381.9169181451.

The spelling of 55706605 in words is "fifty-five million, seven hundred six thousand, six hundred five".