55022137609 has 2 divisors, whose sum is σ = 55022137610. Its totient is φ = 55022137608.

The previous prime is 55022137607. The next prime is 55022137717. The reversal of 55022137609 is 90673122055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49051175625 + 5970961984 = 221475^2 + 77272^2 .

It is a cyclic number.

It is not a de Polignac number, because 55022137609 - 2¹ = 55022137607 is a prime.

Together with 55022137607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55022137607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27511068804 + 27511068805.

It is an arithmetic number, because the mean of its divisors is an integer number (27511068805).

Almost surely, 2^55022137609 is an apocalyptic number.

It is an amenable number.

55022137609 is a deficient number, since it is larger than the sum of its proper divisors (1).

55022137609 is an equidigital number, since it uses as much as digits as its factorization.

55022137609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 55022137609 in words is "fifty-five billion, twenty-two million, one hundred thirty-seven thousand, six hundred nine".