5505640001 has 4 divisors (see below), whose sum is σ = 5506092372. Its totient is φ = 5505187632.

The previous prime is 5505639983. The next prime is 5505640003. The reversal of 5505640001 is 1000465055.

It is a Cunningham number, because it is equal to 74200²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5166159376 + 339480625 = 71876^2 + 18425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5505640001 is a prime.

It is a super-2 number, since 2×5505640001² = 60624143641222560002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5505640003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207410 + ... + 232443.

It is an arithmetic number, because the mean of its divisors is an integer number (1376523093).

Almost surely, 2^5505640001 is an apocalyptic number.

It is an amenable number.

5505640001 is a deficient number, since it is larger than the sum of its proper divisors (452371).

5505640001 is a wasteful number, since it uses less digits than its factorization.

5505640001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452370.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5505640001 is about 74200.0000067385. Note that the first 5 decimals coincide. The cubic root of 5505640001 is about 1765.7773302696. Note that the first 3 decimals are identical.

The spelling of 5505640001 in words is "five billion, five hundred five million, six hundred forty thousand, one".