7550485021 has 2 divisors, whose sum is σ = 7550485022. Its totient is φ = 7550485020.

The previous prime is 7550485001. The next prime is 7550485027. The reversal of 7550485021 is 1205840557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3843380025 + 3707104996 = 61995^2 + 60886^2 .

It is a cyclic number.

It is not a de Polignac number, because 7550485021 - 2¹⁷ = 7550353949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7550485027) 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 as a sum of consecutive naturals, namely, 3775242510 + 3775242511.

It is an arithmetic number, because the mean of its divisors is an integer number (3775242511).

Almost surely, 2^7550485021 is an apocalyptic number.

It is an amenable number.

7550485021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7550485021 is an equidigital number, since it uses as much as digits as its factorization.

7550485021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 7550485021 is about 86893.5269223203. The cubic root of 7550485021 is about 1961.8160508236.

The spelling of 7550485021 in words is "seven billion, five hundred fifty million, four hundred eighty-five thousand, twenty-one".