172522050 has 48 divisors (see below), whose sum is σ = 432695520. Its totient is φ = 45485440.

The previous prime is 172522003. The next prime is 172522067. The reversal of 172522050 is 50225271.

It is a self number, because there is not a number n which added to its sum of digits gives 172522050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6889 + ... + 19811.

It is an arithmetic number, because the mean of its divisors is an integer number (9014490).

Almost surely, 2^172522050 is an apocalyptic number.

172522050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 172522050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216347760).

172522050 is an abundant number, since it is smaller than the sum of its proper divisors (260173470).

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

172522050 is a wasteful number, since it uses less digits than its factorization.

172522050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027 (or 13022 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 172522050 is about 13134.7649388940. The cubic root of 172522050 is about 556.6918586533.

The spelling of 172522050 in words is "one hundred seventy-two million, five hundred twenty-two thousand, fifty".