172053552 has 80 divisors (see below), whose sum is σ = 498039552. Its totient is φ = 50722560.

The previous prime is 172053527. The next prime is 172053559. The reversal of 172053552 is 255350271.

It is not an unprimeable number, because it can be changed into a prime (172053559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15133 + ... + 23939.

Almost surely, 2^172053552 is an apocalyptic number.

172053552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172053552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249019776).

172053552 is an abundant number, since it is smaller than the sum of its proper divisors (325986000).

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

172053552 is a wasteful number, since it uses less digits than its factorization.

172053552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866 (or 8860 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 172053552 is about 13116.9185405719. The cubic root of 172053552 is about 556.1874874496.

The spelling of 172053552 in words is "one hundred seventy-two million, fifty-three thousand, five hundred fifty-two".