51072852 has 24 divisors (see below), whose sum is σ = 119448000. Its totient is φ = 16984576.

The previous prime is 51072851. The next prime is 51072869. The reversal of 51072852 is 25827015.

51072852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51072852² = 5216872422827808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51072851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649 + ... + 10127.

It is an arithmetic number, because the mean of its divisors is an integer number (4977000).

Almost surely, 2^51072852 is an apocalyptic number.

It is an amenable number.

51072852 is an abundant number, since it is smaller than the sum of its proper divisors (68375148).

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

51072852 is a wasteful number, since it uses less digits than its factorization.

51072852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935 (or 9933 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 51072852 is about 7146.5272685410. The cubic root of 51072852 is about 371.0194723422.

Adding to 51072852 its reverse (25827015), we get a palindrome (76899867).

The spelling of 51072852 in words is "fifty-one million, seventy-two thousand, eight hundred fifty-two".