15530055049 has 2 divisors, whose sum is σ = 15530055050. Its totient is φ = 15530055048.

The previous prime is 15530055019. The next prime is 15530055091. The reversal of 15530055049 is 94055003551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14990329225 + 539725824 = 122435^2 + 23232^2 .

It is a cyclic number.

It is not a de Polignac number, because 15530055049 - 2¹⁷ = 15529923977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15530054999 and 15530055017.

It is not a weakly prime, because it can be changed into another prime (15530055019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765027524 + 7765027525.

It is an arithmetic number, because the mean of its divisors is an integer number (7765027525).

Almost surely, 2^15530055049 is an apocalyptic number.

It is an amenable number.

15530055049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530055049 is an equidigital number, since it uses as much as digits as its factorization.

15530055049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 37.

The spelling of 15530055049 in words is "fifteen billion, five hundred thirty million, fifty-five thousand, forty-nine".