55030786729 has 2 divisors, whose sum is σ = 55030786730. Its totient is φ = 55030786728.

The previous prime is 55030786721. The next prime is 55030786747. The reversal of 55030786729 is 92768703055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42746389504 + 12284397225 = 206752^2 + 110835^2 .

It is a cyclic number.

It is not a de Polignac number, because 55030786729 - 2³ = 55030786721 is a prime.

It is not a weakly prime, because it can be changed into another prime (55030786721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515393364 + 27515393365.

It is an arithmetic number, because the mean of its divisors is an integer number (27515393365).

Almost surely, 2^55030786729 is an apocalyptic number.

It is an amenable number.

55030786729 is a deficient number, since it is larger than the sum of its proper divisors (1).

55030786729 is an equidigital number, since it uses as much as digits as its factorization.

55030786729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 55030786729 in words is "fifty-five billion, thirty million, seven hundred eighty-six thousand, seven hundred twenty-nine".