51232244505 has 32 divisors (see below), whose sum is σ = 88304598144. Its totient is φ = 25214171136.

The previous prime is 51232244501. The next prime is 51232244543. The reversal of 51232244505 is 50544223215.

It is a happy number.

It is not a de Polignac number, because 51232244505 - 2² = 51232244501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51232244501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613417 + ... + 691913.

It is an arithmetic number, because the mean of its divisors is an integer number (2759518692).

Almost surely, 2^51232244505 is an apocalyptic number.

It is an amenable number.

51232244505 is a deficient number, since it is larger than the sum of its proper divisors (37072353639).

51232244505 is a wasteful number, since it uses less digits than its factorization.

51232244505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81865.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 51232244505 in words is "fifty-one billion, two hundred thirty-two million, two hundred forty-four thousand, five hundred five".