171053028 has 36 divisors (see below), whose sum is σ = 439477948. Its totient is φ = 56082240.

The previous prime is 171053023. The next prime is 171053039. The reversal of 171053028 is 820350171.

It can be written as a sum of positive squares in 2 ways, for example, as 65415744 + 105637284 = 8088^2 + 10278^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 171052992 and 171053010.

It is not an unprimeable number, because it can be changed into a prime (171053021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36751 + ... + 41142.

Almost surely, 2^171053028 is an apocalyptic number.

171053028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

171053028 is an abundant number, since it is smaller than the sum of its proper divisors (268424920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171053028 is a wasteful number, since it uses less digits than its factorization.

171053028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77964 (or 77959 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 171053028 is about 13078.7242497118. The cubic root of 171053028 is about 555.1072789943.

The spelling of 171053028 in words is "one hundred seventy-one million, fifty-three thousand, twenty-eight".