51922953408 has 28 divisors (see below), whose sum is σ = 137379481400. Its totient is φ = 17307651072.

The previous prime is 51922953391. The next prime is 51922953449. The reversal of 51922953408 is 80435922915.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135215833 + ... + 135216216.

It is an arithmetic number, because the mean of its divisors is an integer number (4906410050).

Almost surely, 2^51922953408 is an apocalyptic number.

It is an amenable number.

51922953408 is an abundant number, since it is smaller than the sum of its proper divisors (85456527992).

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

51922953408 is a wasteful number, since it uses less digits than its factorization.

51922953408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270432064 (or 270432054 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 51922953408 in words is "fifty-one billion, nine hundred twenty-two million, nine hundred fifty-three thousand, four hundred eight".