51260752 has 20 divisors (see below), whose sum is σ = 101193300. Its totient is φ = 25146368.

The previous prime is 51260749. The next prime is 51260761. The reversal of 51260752 is 25706215.

It can be written as a sum of positive squares in 2 ways, for example, as 19855936 + 31404816 = 4456^2 + 5604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51260752.

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 3 ways as a sum of consecutive naturals, for example, 29377 + ... + 31072.

It is an arithmetic number, because the mean of its divisors is an integer number (5059665).

Almost surely, 2^51260752 is an apocalyptic number.

It is an amenable number.

51260752 is a deficient number, since it is larger than the sum of its proper divisors (49932548).

51260752 is a wasteful number, since it uses less digits than its factorization.

51260752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60510 (or 60504 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 51260752 is about 7159.6614445098. The cubic root of 51260752 is about 371.4739162448.

Adding to 51260752 its reverse (25706215), we get a palindrome (76966967).

The spelling of 51260752 in words is "fifty-one million, two hundred sixty thousand, seven hundred fifty-two".