55552315009 has 2 divisors, whose sum is σ = 55552315010. Its totient is φ = 55552315008.

The previous prime is 55552314973. The next prime is 55552315057. The reversal of 55552315009 is 90051325555.

55552315009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47338880625 + 8213434384 = 217575^2 + 90628^2 .

It is a cyclic number.

It is not a de Polignac number, because 55552315009 - 2⁹ = 55552314497 is a prime.

It is not a weakly prime, because it can be changed into another prime (55552315109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776157504 + 27776157505.

It is an arithmetic number, because the mean of its divisors is an integer number (27776157505).

Almost surely, 2^55552315009 is an apocalyptic number.

It is an amenable number.

55552315009 is a deficient number, since it is larger than the sum of its proper divisors (1).

55552315009 is an equidigital number, since it uses as much as digits as its factorization.

55552315009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168750, while the sum is 40.

The spelling of 55552315009 in words is "fifty-five billion, five hundred fifty-two million, three hundred fifteen thousand, nine".