51336788 has 6 divisors (see below), whose sum is σ = 89839386. Its totient is φ = 25668392.

The previous prime is 51336749. The next prime is 51336833. The reversal of 51336788 is 88763315.

51336788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31158724 + 20178064 = 5582^2 + 4492^2 .

It is a congruent number.

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, 6417095 + ... + 6417102.

It is an arithmetic number, because the mean of its divisors is an integer number (14973231).

Almost surely, 2^51336788 is an apocalyptic number.

It is an amenable number.

51336788 is a deficient number, since it is larger than the sum of its proper divisors (38502598).

51336788 is a wasteful number, since it uses less digits than its factorization.

51336788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834201 (or 12834199 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 51336788 is about 7164.9695044710. The cubic root of 51336788 is about 371.6574968300.

The spelling of 51336788 in words is "fifty-one million, three hundred thirty-six thousand, seven hundred eighty-eight".