550050100561 has 8 divisors (see below), whose sum is σ = 611470087424. Its totient is φ = 491359890960.

The previous prime is 550050100541. The next prime is 550050100591. The reversal of 550050100561 is 165001050055.

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 550050100561 - 2¹⁷ = 550049969489 is a prime.

It is a super-2 number, since 2×550050100561² (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 (550050100541) 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, 682443891 + ... + 682444696.

It is an arithmetic number, because the mean of its divisors is an integer number (76433760928).

Almost surely, 2^550050100561 is an apocalyptic number.

It is an amenable number.

550050100561 is a deficient number, since it is larger than the sum of its proper divisors (61419986863).

550050100561 is a wasteful number, since it uses less digits than its factorization.

550050100561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364888631.

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

The spelling of 550050100561 in words is "five hundred fifty billion, fifty million, one hundred thousand, five hundred sixty-one".