5501005000561 has 8 divisors (see below), whose sum is σ = 6286913238464. Its totient is φ = 4715109357840.

The previous prime is 5501005000553. The next prime is 5501005000573. The reversal of 5501005000561 is 1650005001055.

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

It is not a de Polignac number, because 5501005000561 - 2³ = 5501005000553 is a prime.

It is a super-2 number, since 2×5501005000561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5501005000061) 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, 2193570 + ... + 3976651.

It is an arithmetic number, because the mean of its divisors is an integer number (785864154808).

Almost surely, 2^{5501005000561} is an apocalyptic number.

It is an amenable number.

5501005000561 is a deficient number, since it is larger than the sum of its proper divisors (785908237903).

5501005000561 is a wasteful number, since it uses less digits than its factorization.

5501005000561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297591.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 5501005000561 in words is "five trillion, five hundred one billion, five million, five hundred sixty-one", and thus it is an aban number.