55552805702609 has 2 divisors, whose sum is σ = 55552805702610. Its totient is φ = 55552805702608.

The previous prime is 55552805702593. The next prime is 55552805702629. The reversal of 55552805702609 is 90620750825555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55411230352384 + 141575350225 = 7443872^2 + 376265^2 .

It is a cyclic number.

It is not a de Polignac number, because 55552805702609 - 2⁴ = 55552805702593 is a prime.

It is a super-2 number, since 2×55552805702609² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55552805702629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27776402851304 + 27776402851305.

It is an arithmetic number, because the mean of its divisors is an integer number (27776402851305).

Almost surely, 2^{55552805702609} is an apocalyptic number.

It is an amenable number.

55552805702609 is a deficient number, since it is larger than the sum of its proper divisors (1).

55552805702609 is an equidigital number, since it uses as much as digits as its factorization.

55552805702609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800000, while the sum is 59.

The spelling of 55552805702609 in words is "fifty-five trillion, five hundred fifty-two billion, eight hundred five million, seven hundred two thousand, six hundred nine".