55980668251 has 2 divisors, whose sum is σ = 55980668252. Its totient is φ = 55980668250.

The previous prime is 55980668239. The next prime is 55980668281. The reversal of 55980668251 is 15286608955.

55980668251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55980668251 - 2¹³ = 55980660059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55980668192 and 55980668201.

It is not a weakly prime, because it can be changed into another prime (55980668281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27990334125 + 27990334126.

It is an arithmetic number, because the mean of its divisors is an integer number (27990334126).

Almost surely, 2^55980668251 is an apocalyptic number.

55980668251 is a deficient number, since it is larger than the sum of its proper divisors (1).

55980668251 is an equidigital number, since it uses as much as digits as its factorization.

55980668251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 55.

The spelling of 55980668251 in words is "fifty-five billion, nine hundred eighty million, six hundred sixty-eight thousand, two hundred fifty-one".