55605061 has 4 divisors (see below), whose sum is σ = 56961324. Its totient is φ = 54248800.

The previous prime is 55605031. The next prime is 55605073. The reversal of 55605061 is 16050655.

55605061 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 10042561 + 45562500 = 3169^2 + 6750^2 .

It is a cyclic number.

It is not a de Polignac number, because 55605061 - 2²³ = 47216453 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 (55605031) 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 3 ways as a sum of consecutive naturals, for example, 678070 + ... + 678151.

It is an arithmetic number, because the mean of its divisors is an integer number (14240331).

Almost surely, 2^55605061 is an apocalyptic number.

It is an amenable number.

55605061 is a deficient number, since it is larger than the sum of its proper divisors (1356263).

55605061 is a wasteful number, since it uses less digits than its factorization.

55605061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356262.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 55605061 is about 7456.8801116821. The cubic root of 55605061 is about 381.6847197103.

The spelling of 55605061 in words is "fifty-five million, six hundred five thousand, sixty-one".