5545505501 has 4 divisors (see below), whose sum is σ = 5545658400. Its totient is φ = 5545352604.

The previous prime is 5545505491. The next prime is 5545505531. The reversal of 5545505501 is 1055055455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5545505501 - 2¹⁰ = 5545504477 is a prime.

It is a super-2 number, since 2×5545505501² = 61505262523242522002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545505531) 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 3 ways as a sum of consecutive naturals, for example, 12290 + ... + 106028.

It is an arithmetic number, because the mean of its divisors is an integer number (1386414600).

Almost surely, 2^5545505501 is an apocalyptic number.

It is an amenable number.

5545505501 is a deficient number, since it is larger than the sum of its proper divisors (152899).

5545505501 is an equidigital number, since it uses as much as digits as its factorization.

5545505501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152898.

The product of its (nonzero) digits is 62500, while the sum is 35.

The square root of 5545505501 is about 74468.1509170196. The cubic root of 5545505501 is about 1770.0289930029.

It can be divided in two parts, 554 and 5505501, that added together give a palindrome (5506055).

The spelling of 5545505501 in words is "five billion, five hundred forty-five million, five hundred five thousand, five hundred one".