5550031052021 has 2 divisors, whose sum is σ = 5550031052022. Its totient is φ = 5550031052020.

The previous prime is 5550031052011. The next prime is 5550031052047. The reversal of 5550031052021 is 1202501300555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5420585086225 + 129445965796 = 2328215^2 + 359786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5550031052021 is a prime.

It is a super-3 number, since 3×5550031052021³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5550031052011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775015526010 + 2775015526011.

It is an arithmetic number, because the mean of its divisors is an integer number (2775015526011).

Almost surely, 2^{5550031052021} is an apocalyptic number.

It is an amenable number.

5550031052021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5550031052021 is an equidigital number, since it uses as much as digits as its factorization.

5550031052021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 5550031052021 its reverse (1202501300555), we get a palindrome (6752532352576).

The spelling of 5550031052021 in words is "five trillion, five hundred fifty billion, thirty-one million, fifty-two thousand, twenty-one".