5500001 has 8 divisors (see below), whose sum is σ = 6061440. Its totient is φ = 4958352.

The previous prime is 5499979. The next prime is 5500003. The reversal of 5500001 is 1000055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5500001 is a prime.

It is a super-2 number, since 2×5500001² = 60500022000002, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5500003) 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, 4361 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (757680).

Almost surely, 2^5500001 is an apocalyptic number.

It is an amenable number.

5500001 is a deficient number, since it is larger than the sum of its proper divisors (561439).

5500001 is a wasteful number, since it uses less digits than its factorization.

5500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9895.

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 5500001 is about 2345.2080931124. The cubic root of 5500001 is about 176.5174274643.

Adding to 5500001 its reverse (1000055), we get a palindrome (6500056).

The spelling of 5500001 in words is "five million, five hundred thousand, one".