52128748 has 36 divisors (see below), whose sum is σ = 106580880. Its totient is φ = 22243872.

The previous prime is 52128743. The next prime is 52128767. The reversal of 52128748 is 84782125.

It is not an unprimeable number, because it can be changed into a prime (52128743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61713 + ... + 62551.

It is an arithmetic number, because the mean of its divisors is an integer number (2960580).

Almost surely, 2^52128748 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 52128748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53290440).

52128748 is an abundant number, since it is smaller than the sum of its proper divisors (54452132).

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

52128748 is a wasteful number, since it uses less digits than its factorization.

52128748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1165 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 52128748 is about 7220.0240996828. The cubic root of 52128748 is about 373.5589088142.

The spelling of 52128748 in words is "fifty-two million, one hundred twenty-eight thousand, seven hundred forty-eight".