51903344626 has 16 divisors (see below), whose sum is σ = 91381951296. Its totient is φ = 21643093296.

The previous prime is 51903344621. The next prime is 51903344627. The reversal of 51903344626 is 62644330915.

It is not an unprimeable number, because it can be changed into a prime (51903344621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50099236 + ... + 50100271.

It is an arithmetic number, because the mean of its divisors is an integer number (5711371956).

Almost surely, 2^51903344626 is an apocalyptic number.

51903344626 is a deficient number, since it is larger than the sum of its proper divisors (39478606670).

51903344626 is a wasteful number, since it uses less digits than its factorization.

51903344626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100199553.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 51903344626 in words is "fifty-one billion, nine hundred three million, three hundred forty-four thousand, six hundred twenty-six".