172055003 has 4 divisors (see below), whose sum is σ = 172102008. Its totient is φ = 172008000.

The previous prime is 172054957. The next prime is 172055017. The reversal of 172055003 is 300550271.

172055003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172055003 - 2¹⁴ = 172038619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172055003.

It is not an unprimeable number, because it can be changed into a prime (172055903) 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, 17501 + ... + 25502.

It is an arithmetic number, because the mean of its divisors is an integer number (43025502).

Almost surely, 2^172055003 is an apocalyptic number.

172055003 is a deficient number, since it is larger than the sum of its proper divisors (47005).

172055003 is an equidigital number, since it uses as much as digits as its factorization.

172055003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47004.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 172055003 is about 13116.9738507020. The cubic root of 172055003 is about 556.1890509662.

The spelling of 172055003 in words is "one hundred seventy-two million, fifty-five thousand, three".