505550061001 has 8 divisors (see below), whose sum is σ = 509633635104. Its totient is φ = 501469887360.

The previous prime is 505550060987. The next prime is 505550061017. The reversal of 505550061001 is 100160055505.

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 505550061001 - 2⁵ = 505550060969 is a prime.

It is a super-2 number, since 2×505550061001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505550064001) 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, 551151 + ... + 1146676.

It is an arithmetic number, because the mean of its divisors is an integer number (63704204388).

Almost surely, 2^505550061001 is an apocalyptic number.

It is an amenable number.

505550061001 is a deficient number, since it is larger than the sum of its proper divisors (4083574103).

505550061001 is a wasteful number, since it uses less digits than its factorization.

505550061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700231.

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

The spelling of 505550061001 in words is "five hundred five billion, five hundred fifty million, sixty-one thousand, one".