52152120 has 128 divisors (see below), whose sum is σ = 178041600. Its totient is φ = 13571712.

The previous prime is 52152059. The next prime is 52152143. The reversal of 52152120 is 2125125.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 52152093 and 52152102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45879 + ... + 47001.

It is an arithmetic number, because the mean of its divisors is an integer number (1390950).

Almost surely, 2^52152120 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 52152120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89020800).

52152120 is an abundant number, since it is smaller than the sum of its proper divisors (125889480).

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

52152120 is a wasteful number, since it uses less digits than its factorization.

52152120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52152120 is about 7221.6424724574. The cubic root of 52152120 is about 373.6147290328.

Adding to 52152120 its reverse (2125125), we get a palindrome (54277245).

The spelling of 52152120 in words is "fifty-two million, one hundred fifty-two thousand, one hundred twenty".