55718605 has 16 divisors (see below), whose sum is σ = 71434224. Its totient is φ = 41574400.

The previous prime is 55718603. The next prime is 55718617. The reversal of 55718605 is 50681755.

55718605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 335241 + 55383364 = 579^2 + 7442^2 .

It is not a de Polignac number, because 55718605 - 2¹ = 55718603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55718603) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6705 + ... + 12505.

It is an arithmetic number, because the mean of its divisors is an integer number (4464639).

Almost surely, 2^55718605 is an apocalyptic number.

It is an amenable number.

55718605 is a deficient number, since it is larger than the sum of its proper divisors (15715619).

55718605 is a wasteful number, since it uses less digits than its factorization.

55718605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 55718605 is about 7464.4896007698. The cubic root of 55718605 is about 381.9443396329.

The spelling of 55718605 in words is "fifty-five million, seven hundred eighteen thousand, six hundred five".