550303031561 has 8 divisors (see below), whose sum is σ = 565586344320. Its totient is φ = 535227655248.

The previous prime is 550303031527. The next prime is 550303031563. The reversal of 550303031561 is 165130303055.

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 550303031561 - 2²⁶ = 550235922697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550303031563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51978746 + ... + 51989331.

It is an arithmetic number, because the mean of its divisors is an integer number (70698293040).

Almost surely, 2^550303031561 is an apocalyptic number.

It is an amenable number.

550303031561 is a deficient number, since it is larger than the sum of its proper divisors (15283312759).

550303031561 is a wasteful number, since it uses less digits than its factorization.

550303031561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103968223.

The product of its (nonzero) digits is 20250, while the sum is 32.

The spelling of 550303031561 in words is "five hundred fifty billion, three hundred three million, thirty-one thousand, five hundred sixty-one".