5555545501 has 8 divisors (see below), whose sum is σ = 6120602208. Its totient is φ = 5000490000.

The previous prime is 5555545487. The next prime is 5555545507. The reversal of 5555545501 is 1055455555.

It is a happy number.

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

It is not a de Polignac number, because 5555545501 - 2⁹ = 5555544989 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 (5555545507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2499135 + ... + 2501356.

It is an arithmetic number, because the mean of its divisors is an integer number (765075276).

Almost surely, 2^5555545501 is an apocalyptic number.

It is an amenable number.

5555545501 is a deficient number, since it is larger than the sum of its proper divisors (565056707).

5555545501 is a wasteful number, since it uses less digits than its factorization.

5555545501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000603.

The product of its (nonzero) digits is 312500, while the sum is 40.

The square root of 5555545501 is about 74535.5318019534. The cubic root of 5555545501 is about 1771.0965468477.

The spelling of 5555545501 in words is "five billion, five hundred fifty-five million, five hundred forty-five thousand, five hundred one".