169556055 has 16 divisors (see below), whose sum is σ = 271724544. Its totient is φ = 90284960.

The previous prime is 169556047. The next prime is 169556071. The reversal of 169556055 is 550655961.

169556055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 169556055 - 2³ = 169556047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 169555998 and 169556016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 970 + ... + 18440.

It is an arithmetic number, because the mean of its divisors is an integer number (16982784).

Almost surely, 2^169556055 is an apocalyptic number.

169556055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

169556055 is a deficient number, since it is larger than the sum of its proper divisors (102168489).

169556055 is a wasteful number, since it uses less digits than its factorization.

169556055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18126.

The product of its (nonzero) digits is 202500, while the sum is 42.

The square root of 169556055 is about 13021.3691676413. The cubic root of 169556055 is about 553.4831889163.

The spelling of 169556055 in words is "one hundred sixty-nine million, five hundred fifty-six thousand, fifty-five".