55580562551 has 2 divisors, whose sum is σ = 55580562552. Its totient is φ = 55580562550.

The previous prime is 55580562529. The next prime is 55580562601. The reversal of 55580562551 is 15526508555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55580562551 - 2⁶ = 55580562487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55580562496 and 55580562505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55580564551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27790281275 + 27790281276.

It is an arithmetic number, because the mean of its divisors is an integer number (27790281276).

Almost surely, 2^55580562551 is an apocalyptic number.

55580562551 is a deficient number, since it is larger than the sum of its proper divisors (1).

55580562551 is an equidigital number, since it uses as much as digits as its factorization.

55580562551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500000, while the sum is 47.

The spelling of 55580562551 in words is "fifty-five billion, five hundred eighty million, five hundred sixty-two thousand, five hundred fifty-one".