555009601 has 8 divisors (see below), whose sum is σ = 559392680. Its totient is φ = 550637568.

The previous prime is 555009599. The next prime is 555009613. The reversal of 555009601 is 106900555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 360000 + 554649601 = 600^2 + 23551^2 .

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 555009601 - 2¹ = 555009599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555000601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118435 + ... + 123031.

It is an arithmetic number, because the mean of its divisors is an integer number (69924085).

Almost surely, 2^555009601 is an apocalyptic number.

It is an amenable number.

555009601 is a deficient number, since it is larger than the sum of its proper divisors (4383079).

555009601 is a wasteful number, since it uses less digits than its factorization.

555009601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 555009601 is about 23558.6417477748. The cubic root of 555009601 is about 821.8013152405.

The spelling of 555009601 in words is "five hundred fifty-five million, nine thousand, six hundred one".