550004001 has 32 divisors (see below), whose sum is σ = 796723200. Its totient is φ = 336312000.

The previous prime is 550003997. The next prime is 550004003. The reversal of 550004001 is 100400055.

It is not a de Polignac number, because 550004001 - 2² = 550003997 is a prime.

It is a super-2 number, since 2×550004001² = 605008802232016002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550004003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528840 + ... + 529878.

It is an arithmetic number, because the mean of its divisors is an integer number (24897600).

Almost surely, 2^550004001 is an apocalyptic number.

It is an amenable number.

550004001 is a deficient number, since it is larger than the sum of its proper divisors (246719199).

550004001 is a wasteful number, since it uses less digits than its factorization.

550004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 550004001 is about 23452.1641005686. The cubic root of 550004001 is about 819.3232573258.

Adding to 550004001 its reverse (100400055), we get a palindrome (650404056).

The spelling of 550004001 in words is "five hundred fifty million, four thousand, one".