51412636 has 48 divisors (see below), whose sum is σ = 103638528. Its totient is φ = 22088000.

The previous prime is 51412589. The next prime is 51412637. The reversal of 51412636 is 63621415.

51412636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51412637) 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 15 ways as a sum of consecutive naturals, for example, 101961 + ... + 102463.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^51412636 is an apocalyptic number.

It is an amenable number.

51412636 is an abundant number, since it is smaller than the sum of its proper divisors (52225892).

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

51412636 is a wasteful number, since it uses less digits than its factorization.

51412636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 640 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 51412636 is about 7170.2605252529. The cubic root of 51412636 is about 371.8404430003.

It can be divided in two parts, 5141 and 2636, that added together give a palindrome (7777).

The spelling of 51412636 in words is "fifty-one million, four hundred twelve thousand, six hundred thirty-six".