172044051 has 4 divisors (see below), whose sum is σ = 229392072. Its totient is φ = 114696032.

The previous prime is 172044011. The next prime is 172044073. The reversal of 172044051 is 150440271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172044051 - 2¹⁵ = 172011283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172044011) 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, 28674006 + ... + 28674011.

It is an arithmetic number, because the mean of its divisors is an integer number (57348018).

Almost surely, 2^172044051 is an apocalyptic number.

172044051 is a deficient number, since it is larger than the sum of its proper divisors (57348021).

172044051 is an equidigital number, since it uses as much as digits as its factorization.

172044051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57348020.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 172044051 is about 13116.5563697184. The cubic root of 172044051 is about 556.1772494848.

The spelling of 172044051 in words is "one hundred seventy-two million, forty-four thousand, fifty-one".