171372056 has 16 divisors (see below), whose sum is σ = 324327240. Its totient is φ = 84884800.

The previous prime is 171372043. The next prime is 171372059. The reversal of 171372056 is 650273171.

171372056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171372059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99245 + ... + 100956.

Almost surely, 2^171372056 is an apocalyptic number.

It is an amenable number.

171372056 is a deficient number, since it is larger than the sum of its proper divisors (152955184).

171372056 is a wasteful number, since it uses less digits than its factorization.

171372056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200314 (or 200310 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 171372056 is about 13090.9150176754. The cubic root of 171372056 is about 555.4521716127.

The spelling of 171372056 in words is "one hundred seventy-one million, three hundred seventy-two thousand, fifty-six".