551331022045 has 8 divisors (see below), whose sum is σ = 663710957496. Its totient is φ = 439655663616.

The previous prime is 551331022031. The next prime is 551331022051. The reversal of 551331022045 is 540220133155.

551331022045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1510255044 + 549820767001 = 38862^2 + 741499^2 .

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 551331022045 - 2¹¹ = 551331019997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551331021998 and 551331022016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176142532 + ... + 176145661.

It is an arithmetic number, because the mean of its divisors is an integer number (82963869687).

Almost surely, 2^551331022045 is an apocalyptic number.

It is an amenable number.

551331022045 is a deficient number, since it is larger than the sum of its proper divisors (112379935451).

551331022045 is a wasteful number, since it uses less digits than its factorization.

551331022045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352288511.

The product of its (nonzero) digits is 18000, while the sum is 31.

It can be divided in two parts, 5513310 and 22045, that added together give a palindrome (5535355).

The spelling of 551331022045 in words is "five hundred fifty-one billion, three hundred thirty-one million, twenty-two thousand, forty-five".