172054 has 4 divisors (see below), whose sum is σ = 258084. Its totient is φ = 86026.

The previous prime is 172049. The next prime is 172069. The reversal of 172054 is 450271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450271 = 23 ⋅19577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43012 + ... + 43015.

It is an arithmetic number, because the mean of its divisors is an integer number (64521).

2¹⁷²⁰⁵⁴ is an apocalyptic number.

172054 is a deficient number, since it is larger than the sum of its proper divisors (86030).

172054 is an equidigital number, since it uses as much as digits as its factorization.

172054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86029.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 172054 is about 414.7939247385. The cubic root of 172054 is about 55.6187970190.

The spelling of 172054 in words is "one hundred seventy-two thousand, fifty-four".