155086055 has 32 divisors (see below), whose sum is σ = 200111040. Its totient is φ = 115153920.

The previous prime is 155086051. The next prime is 155086093. The reversal of 155086055 is 550680551.

It is not a de Polignac number, because 155086055 - 2² = 155086051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155086051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 734900 + ... + 735110.

It is an arithmetic number, because the mean of its divisors is an integer number (6253470).

Almost surely, 2^155086055 is an apocalyptic number.

155086055 is a deficient number, since it is larger than the sum of its proper divisors (45024985).

155086055 is a wasteful number, since it uses less digits than its factorization.

155086055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 30000, while the sum is 35.

The square root of 155086055 is about 12453.3551703948. The cubic root of 155086055 is about 537.2679279378.

The spelling of 155086055 in words is "one hundred fifty-five million, eighty-six thousand, fifty-five".