51236338 has 4 divisors (see below), whose sum is σ = 76854510. Its totient is φ = 25618168.

The previous prime is 51236333. The next prime is 51236363. The reversal of 51236338 is 83363215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51222649 + 13689 = 7157^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (51236333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12809083 + ... + 12809086.

Almost surely, 2^51236338 is an apocalyptic number.

51236338 is a deficient number, since it is larger than the sum of its proper divisors (25618172).

51236338 is a wasteful number, since it uses less digits than its factorization.

51236338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25618171.

The product of its digits is 12960, while the sum is 31.

The square root of 51236338 is about 7157.9562725683. The cubic root of 51236338 is about 371.4149328185.

The spelling of 51236338 in words is "fifty-one million, two hundred thirty-six thousand, three hundred thirty-eight".