55177003171 has 2 divisors, whose sum is σ = 55177003172. Its totient is φ = 55177003170.

The previous prime is 55177003153. The next prime is 55177003183. The reversal of 55177003171 is 17130077155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55177003171 - 2⁷ = 55177003043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55177003171.

It is not a weakly prime, because it can be changed into another prime (55177009171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27588501585 + 27588501586.

It is an arithmetic number, because the mean of its divisors is an integer number (27588501586).

Almost surely, 2^55177003171 is an apocalyptic number.

55177003171 is a deficient number, since it is larger than the sum of its proper divisors (1).

55177003171 is an equidigital number, since it uses as much as digits as its factorization.

55177003171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25725, while the sum is 37.

The spelling of 55177003171 in words is "fifty-five billion, one hundred seventy-seven million, three thousand, one hundred seventy-one".