51436788 has 24 divisors (see below), whose sum is σ = 129251808. Its totient is φ = 15826656.

The previous prime is 51436739. The next prime is 51436789. The reversal of 51436788 is 88763415.

51436788 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 (51436789) 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 7 ways as a sum of consecutive naturals, for example, 164706 + ... + 165017.

It is an arithmetic number, because the mean of its divisors is an integer number (5385492).

Almost surely, 2^51436788 is an apocalyptic number.

It is an amenable number.

51436788 is an abundant number, since it is smaller than the sum of its proper divisors (77815020).

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

51436788 is a wasteful number, since it uses less digits than its factorization.

51436788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329743 (or 329741 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 51436788 is about 7171.9445061991. The cubic root of 51436788 is about 371.8986601051.

The spelling of 51436788 in words is "fifty-one million, four hundred thirty-six thousand, seven hundred eighty-eight".