606555055501 has 4 divisors (see below), whose sum is σ = 627470747100. Its totient is φ = 585639363904.

The previous prime is 606555055471. The next prime is 606555055507. The reversal of 606555055501 is 105550555606.

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 339508990276 + 267046065225 = 582674^2 + 516765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606555055501 is a prime.

It is a super-2 number, since 2×606555055501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606555055507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10457845756 + ... + 10457845813.

It is an arithmetic number, because the mean of its divisors is an integer number (156867686775).

Almost surely, 2^606555055501 is an apocalyptic number.

It is an amenable number.

606555055501 is a deficient number, since it is larger than the sum of its proper divisors (20915691599).

606555055501 is a wasteful number, since it uses less digits than its factorization.

606555055501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915691598.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 606555055501 in words is "six hundred six billion, five hundred fifty-five million, fifty-five thousand, five hundred one".