5551240001 has 6 divisors (see below), whose sum is σ = 5749263702. Its totient is φ = 5359817120.

The previous prime is 5551239997. The next prime is 5551240007. The reversal of 5551240001 is 1000421555.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 247905025 + 5303334976 = 15745^2 + 72824^2 .

It is not a de Polignac number, because 5551240001 - 2² = 5551239997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551240007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3299540 + ... + 3301221.

It is an arithmetic number, because the mean of its divisors is an integer number (958210617).

Almost surely, 2^5551240001 is an apocalyptic number.

It is an amenable number.

5551240001 is a deficient number, since it is larger than the sum of its proper divisors (198023701).

5551240001 is an equidigital number, since it uses as much as digits as its factorization.

5551240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6600819 (or 6600790 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 5551240001 is about 74506.6440057529. The cubic root of 5551240001 is about 1770.6389004044.

Adding to 5551240001 its reverse (1000421555), we get a palindrome (6551661556).

The spelling of 5551240001 in words is "five billion, five hundred fifty-one million, two hundred forty thousand, one".