52170552 has 96 divisors (see below), whose sum is σ = 171007200. Its totient is φ = 14026752.

The previous prime is 52170541. The next prime is 52170553. The reversal of 52170552 is 25507125.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52170553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5524 + ... + 11612.

It is an arithmetic number, because the mean of its divisors is an integer number (1781325).

Almost surely, 2^52170552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52170552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85503600).

52170552 is an abundant number, since it is smaller than the sum of its proper divisors (118836648).

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

52170552 is a wasteful number, since it uses less digits than its factorization.

52170552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125 (or 6118 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 52170552 is about 7222.9185236994. The cubic root of 52170552 is about 373.6587391040.

Adding to 52170552 its reverse (25507125), we get a palindrome (77677677).

The spelling of 52170552 in words is "fifty-two million, one hundred seventy thousand, five hundred fifty-two".