53225172 has 216 divisors, whose sum is σ = 184740192. Its totient is φ = 12700800.

The previous prime is 53225167. The next prime is 53225173. The reversal of 53225172 is 27152235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53225173) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 252147 + ... + 252357.

Almost surely, 2^53225172 is an apocalyptic number.

53225172 is a gapful number since it is divisible by the number (52) 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 53225172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92370096).

53225172 is an abundant number, since it is smaller than the sum of its proper divisors (131515020).

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

53225172 is a wasteful number, since it uses less digits than its factorization.

53225172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 247 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 53225172 is about 7295.5583747922. The cubic root of 53225172 is about 376.1597800628.

The spelling of 53225172 in words is "fifty-three million, two hundred twenty-five thousand, one hundred seventy-two".