52128741 has 16 divisors (see below), whose sum is σ = 82888704. Its totient is φ = 28492464.

The previous prime is 52128737. The next prime is 52128743. The reversal of 52128741 is 14782125.

It is not a de Polignac number, because 52128741 - 2² = 52128737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52128699 and 52128708.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 53481 + ... + 54446.

It is an arithmetic number, because the mean of its divisors is an integer number (5180544).

Almost surely, 2^52128741 is an apocalyptic number.

It is an amenable number.

52128741 is a deficient number, since it is larger than the sum of its proper divisors (30759963).

52128741 is a wasteful number, since it uses less digits than its factorization.

52128741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107960.

The product of its digits is 4480, while the sum is 30.

The square root of 52128741 is about 7220.0236149198. The cubic root of 52128741 is about 373.5588920934.

The spelling of 52128741 in words is "fifty-two million, one hundred twenty-eight thousand, seven hundred forty-one".