5500500621 has 16 divisors (see below), whose sum is σ = 9143689728. Its totient is φ = 2857402800.

The previous prime is 5500500619. The next prime is 5500500641. The reversal of 5500500621 is 1260050055.

It is not a de Polignac number, because 5500500621 - 2¹ = 5500500619 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5500500591 and 5500500600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500500611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11905615 + ... + 11906076.

It is an arithmetic number, because the mean of its divisors is an integer number (571480608).

Almost surely, 2^5500500621 is an apocalyptic number.

It is an amenable number.

5500500621 is a deficient number, since it is larger than the sum of its proper divisors (3643189107).

5500500621 is a wasteful number, since it uses less digits than its factorization.

5500500621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23811712.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 5500500621 is about 74165.3599802495. The cubic root of 5500500621 is about 1765.2277225992.

Adding to 5500500621 its reverse (1260050055), we get a palindrome (6760550676).

The spelling of 5500500621 in words is "five billion, five hundred million, five hundred thousand, six hundred twenty-one".