55520835827 has 2 divisors, whose sum is σ = 55520835828. Its totient is φ = 55520835826.

The previous prime is 55520835803. The next prime is 55520835863. The reversal of 55520835827 is 72853802555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55520835827 - 2²⁰ = 55519787251 is a prime.

It is not a weakly prime, because it can be changed into another prime (55520735827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27760417913 + 27760417914.

It is an arithmetic number, because the mean of its divisors is an integer number (27760417914).

Almost surely, 2^55520835827 is an apocalyptic number.

55520835827 is a deficient number, since it is larger than the sum of its proper divisors (1).

55520835827 is an equidigital number, since it uses as much as digits as its factorization.

55520835827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 55520835827 in words is "fifty-five billion, five hundred twenty million, eight hundred thirty-five thousand, eight hundred twenty-seven".