55560889133 has 2 divisors, whose sum is σ = 55560889134. Its totient is φ = 55560889132.

The previous prime is 55560889129. The next prime is 55560889147. The reversal of 55560889133 is 33198806555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41484727684 + 14076161449 = 203678^2 + 118643^2 .

It is a cyclic number.

It is not a de Polignac number, because 55560889133 - 2² = 55560889129 is a prime.

It is a super-3 number, since 3×55560889133³ (a number of 33 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55560889103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780444566 + 27780444567.

It is an arithmetic number, because the mean of its divisors is an integer number (27780444567).

Almost surely, 2^55560889133 is an apocalyptic number.

It is an amenable number.

55560889133 is a deficient number, since it is larger than the sum of its proper divisors (1).

55560889133 is an equidigital number, since it uses as much as digits as its factorization.

55560889133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 55560889133 in words is "fifty-five billion, five hundred sixty million, eight hundred eighty-nine thousand, one hundred thirty-three".