51211052 has 6 divisors (see below), whose sum is σ = 89619348. Its totient is φ = 25605524.

The previous prime is 51211049. The next prime is 51211063. The reversal of 51211052 is 25011215.

51211052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51211052.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6401378 + ... + 6401385.

It is an arithmetic number, because the mean of its divisors is an integer number (14936558).

Almost surely, 2^51211052 is an apocalyptic number.

It is an amenable number.

51211052 is a deficient number, since it is larger than the sum of its proper divisors (38408296).

51211052 is a wasteful number, since it uses less digits than its factorization.

51211052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802767 (or 12802765 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 51211052 is about 7156.1897683055. The cubic root of 51211052 is about 371.3538229125.

Adding to 51211052 its reverse (25011215), we get a palindrome (76222267).

The spelling of 51211052 in words is "fifty-one million, two hundred eleven thousand, fifty-two".