5555550061001 has 8 divisors (see below), whose sum is σ = 5558897633160. Its totient is φ = 5552202763008.

The previous prime is 5555550060923. The next prime is 5555550061031. The reversal of 5555550061001 is 1001600555555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2288942055625 + 3266608005376 = 1512925^2 + 1807376^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5555550061001 - 2²² = 5555545866697 is a prime.

It is a super-2 number, since 2×5555550061001² (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 (5555550061031) 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, 52359335 + ... + 52465331.

It is an arithmetic number, because the mean of its divisors is an integer number (694862204145).

Almost surely, 2^{5555550061001} is an apocalyptic number.

It is an amenable number.

5555550061001 is a deficient number, since it is larger than the sum of its proper divisors (3347572159).

5555550061001 is a wasteful number, since it uses less digits than its factorization.

5555550061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137083.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 5555550061001 in words is "five trillion, five hundred fifty-five billion, five hundred fifty million, sixty-one thousand, one".