51267236 has 12 divisors (see below), whose sum is σ = 89774412. Its totient is φ = 25617408.

The previous prime is 51267221. The next prime is 51267239. The reversal of 51267236 is 63276215.

It can be written as a sum of positive squares in 2 ways, for example, as 1705636 + 49561600 = 1306^2 + 7040^2 .

It is not an unprimeable number, because it can be changed into a prime (51267239) by changing a digit.

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, 5636 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (7481201).

Almost surely, 2^51267236 is an apocalyptic number.

It is an amenable number.

51267236 is a deficient number, since it is larger than the sum of its proper divisors (38507176).

51267236 is a wasteful number, since it uses less digits than its factorization.

51267236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110 (or 8108 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 51267236 is about 7160.1142448986. The cubic root of 51267236 is about 371.4895782294.

The spelling of 51267236 in words is "fifty-one million, two hundred sixty-seven thousand, two hundred thirty-six".