55511101059979 has 2 divisors, whose sum is σ = 55511101059980. Its totient is φ = 55511101059978.

The previous prime is 55511101059959. The next prime is 55511101060031. The reversal of 55511101059979 is 97995010111555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55511101059979 is a prime.

It is not a weakly prime, because it can be changed into another prime (55511101059919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755550529989 + 27755550529990.

It is an arithmetic number, because the mean of its divisors is an integer number (27755550529990).

Almost surely, 2^{55511101059979} is an apocalyptic number.

55511101059979 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511101059979 is an equidigital number, since it uses as much as digits as its factorization.

55511101059979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3189375, while the sum is 58.

The spelling of 55511101059979 in words is "fifty-five trillion, five hundred eleven billion, one hundred one million, fifty-nine thousand, nine hundred seventy-nine".