55750580447 has 2 divisors, whose sum is σ = 55750580448. Its totient is φ = 55750580446.

The previous prime is 55750580443. The next prime is 55750580449. The reversal of 55750580447 is 74408505755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55750580447 - 2² = 55750580443 is a prime.

Together with 55750580449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55750580395 and 55750580404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55750580441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27875290223 + 27875290224.

It is an arithmetic number, because the mean of its divisors is an integer number (27875290224).

Almost surely, 2^55750580447 is an apocalyptic number.

55750580447 is a deficient number, since it is larger than the sum of its proper divisors (1).

55750580447 is an equidigital number, since it uses as much as digits as its factorization.

55750580447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920000, while the sum is 50.

The spelling of 55750580447 in words is "fifty-five billion, seven hundred fifty million, five hundred eighty thousand, four hundred forty-seven".