52171350 has 96 divisors (see below), whose sum is σ = 161346816. Its totient is φ = 10838400.

The previous prime is 52171349. The next prime is 52171367. The reversal of 52171350 is 5317125.

It is a self number, because there is not a number n which added to its sum of digits gives 52171350.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 9292 + ... + 13808.

It is an arithmetic number, because the mean of its divisors is an integer number (1680696).

Almost surely, 2^52171350 is an apocalyptic number.

52171350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52171350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80673408).

52171350 is an abundant number, since it is smaller than the sum of its proper divisors (109175466).

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

52171350 is a wasteful number, since it uses less digits than its factorization.

52171350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 52171350 is about 7222.9737643162. The cubic root of 52171350 is about 373.6606442539.

Adding to 52171350 its reverse (5317125), we get a palindrome (57488475).

The spelling of 52171350 in words is "fifty-two million, one hundred seventy-one thousand, three hundred fifty".