49555405089979 has 2 divisors, whose sum is σ = 49555405089980. Its totient is φ = 49555405089978.

The previous prime is 49555405089929. The next prime is 49555405090013. The reversal of 49555405089979 is 97998050455594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49555405089979 - 2⁷ = 49555405089851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49555405089899 and 49555405089908.

It is not a weakly prime, because it can be changed into another prime (49555405089929) 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, 24777702544989 + 24777702544990.

It is an arithmetic number, because the mean of its divisors is an integer number (24777702544990).

Almost surely, 2^{49555405089979} is an apocalyptic number.

49555405089979 is a deficient number, since it is larger than the sum of its proper divisors (1).

49555405089979 is an equidigital number, since it uses as much as digits as its factorization.

49555405089979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160000, while the sum is 79.

The spelling of 49555405089979 in words is "forty-nine trillion, five hundred fifty-five billion, four hundred five million, eighty-nine thousand, nine hundred seventy-nine".