55511100959 has 2 divisors, whose sum is σ = 55511100960. Its totient is φ = 55511100958.

The previous prime is 55511100917. The next prime is 55511101031. The reversal of 55511100959 is 95900111555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55511100959 - 2¹⁶ = 55511035423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55501100959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755550479 + 27755550480.

It is an arithmetic number, because the mean of its divisors is an integer number (27755550480).

Almost surely, 2^55511100959 is an apocalyptic number.

55511100959 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511100959 is an equidigital number, since it uses as much as digits as its factorization.

55511100959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50625, while the sum is 41.

The spelling of 55511100959 in words is "fifty-five billion, five hundred eleven million, one hundred thousand, nine hundred fifty-nine".