550550501051 has 4 divisors (see below), whose sum is σ = 552128010000. Its totient is φ = 548972992104.

The previous prime is 550550501003. The next prime is 550550501063. The reversal of 550550501051 is 150105055055.

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

It is a cyclic number.

It is not a de Polignac number, because 550550501051 - 2²² = 550546306747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550550500999 and 550550501017.

It is not an unprimeable number, because it can be changed into a prime (550550581051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788753951 + ... + 788754648.

It is an arithmetic number, because the mean of its divisors is an integer number (138032002500).

Almost surely, 2^550550501051 is an apocalyptic number.

550550501051 is a deficient number, since it is larger than the sum of its proper divisors (1577508949).

550550501051 is a wasteful number, since it uses less digits than its factorization.

550550501051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577508948.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 550550501051 in words is "five hundred fifty billion, five hundred fifty million, five hundred one thousand, fifty-one".