51922953216 has 66 divisors (see below), whose sum is σ = 149926427222. Its totient is φ = 17307648000.

The previous prime is 51922953211. The next prime is 51922953317. The reversal of 51922953216 is 61235922915.

51922953216 is a `hidden beast` number, since 5 + 1 + 92 + 29 + 532 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32573030400 + 19349922816 = 180480^2 + 139104^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51922953211) 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 5 ways as a sum of consecutive naturals, for example, 2807785 + ... + 2826216.

Almost surely, 2^51922953216 is an apocalyptic number.

It is an amenable number.

51922953216 is an abundant number, since it is smaller than the sum of its proper divisors (98003474006).

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

51922953216 is a wasteful number, since it uses less digits than its factorization.

51922953216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634027 (or 5634006 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The spelling of 51922953216 in words is "fifty-one billion, nine hundred twenty-two million, nine hundred fifty-three thousand, two hundred sixteen".