55350036569 has 2 divisors, whose sum is σ = 55350036570. Its totient is φ = 55350036568.

The previous prime is 55350036557. The next prime is 55350036593. The reversal of 55350036569 is 96563005355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55335505225 + 14531344 = 235235^2 + 3812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55350036569 is a prime.

It is a super-2 number, since 2×55350036569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55350036169) 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, 27675018284 + 27675018285.

It is an arithmetic number, because the mean of its divisors is an integer number (27675018285).

Almost surely, 2^55350036569 is an apocalyptic number.

It is an amenable number.

55350036569 is a deficient number, since it is larger than the sum of its proper divisors (1).

55350036569 is an equidigital number, since it uses as much as digits as its factorization.

55350036569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1822500, while the sum is 47.

The spelling of 55350036569 in words is "fifty-five billion, three hundred fifty million, thirty-six thousand, five hundred sixty-nine".