51673347108 has 36 divisors (see below), whose sum is σ = 130651749228. Its totient is φ = 17220096000.

The previous prime is 51673347083. The next prime is 51673347109. The reversal of 51673347108 is 80174337615.

It can be written as a sum of positive squares in 2 ways, for example, as 1487490624 + 50185856484 = 38568^2 + 224022^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (51673347109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35341 + ... + 323412.

Almost surely, 2^51673347108 is an apocalyptic number.

It is an amenable number.

51673347108 is an abundant number, since it is smaller than the sum of its proper divisors (78978402120).

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

51673347108 is a wasteful number, since it uses less digits than its factorization.

51673347108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362764 (or 362759 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 51673347108 in words is "fifty-one billion, six hundred seventy-three million, three hundred forty-seven thousand, one hundred eight".