171202056 has 32 divisors (see below), whose sum is σ = 428330400. Its totient is φ = 57024000.

The previous prime is 171202021. The next prime is 171202061. The reversal of 171202056 is 650202171.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52440 + ... + 55608.

It is an arithmetic number, because the mean of its divisors is an integer number (13385325).

Almost surely, 2^171202056 is an apocalyptic number.

It is an amenable number.

171202056 is an abundant number, since it is smaller than the sum of its proper divisors (257128344).

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

171202056 is a wasteful number, since it uses less digits than its factorization.

171202056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429 (or 5425 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 171202056 is about 13084.4203539935. The cubic root of 171202056 is about 555.2684424949.

The spelling of 171202056 in words is "one hundred seventy-one million, two hundred two thousand, fifty-six".