55755605 has 8 divisors (see below), whose sum is σ = 66960600. Its totient is φ = 44568576.

The previous prime is 55755599. The next prime is 55755607. The reversal of 55755605 is 50655755.

55755605 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 4 ways, for example, as 1615441 + 54140164 = 1271^2 + 7358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55755605 - 2⁴ = 55755589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55755607) 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 7 ways as a sum of consecutive naturals, for example, 3701 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (8370075).

Almost surely, 2^55755605 is an apocalyptic number.

It is an amenable number.

55755605 is a deficient number, since it is larger than the sum of its proper divisors (11204995).

55755605 is a wasteful number, since it uses less digits than its factorization.

55755605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983.

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

The square root of 55755605 is about 7466.9675906622. The cubic root of 55755605 is about 382.0288644435.

The spelling of 55755605 in words is "fifty-five million, seven hundred fifty-five thousand, six hundred five".