51210788 has 12 divisors (see below), whose sum is σ = 93515520. Its totient is φ = 24492072.

The previous prime is 51210787. The next prime is 51210799. The reversal of 51210788 is 88701215.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51210787) 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, 278228 + ... + 278411.

It is an arithmetic number, because the mean of its divisors is an integer number (7792960).

Almost surely, 2^51210788 is an apocalyptic number.

It is an amenable number.

51210788 is a deficient number, since it is larger than the sum of its proper divisors (42304732).

51210788 is a wasteful number, since it uses less digits than its factorization.

51210788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556666 (or 556664 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 51210788 is about 7156.1713227116. The cubic root of 51210788 is about 371.3531847848.

The spelling of 51210788 in words is "fifty-one million, two hundred ten thousand, seven hundred eighty-eight".