52978395012 has 24 divisors (see below), whose sum is σ = 123620691936. Its totient is φ = 17658831168.

The previous prime is 52978394977. The next prime is 52978395031. The reversal of 52978395012 is 21059387925.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371683 + ... + 494069.

It is an arithmetic number, because the mean of its divisors is an integer number (5150862164).

Almost surely, 2^52978395012 is an apocalyptic number.

It is an amenable number.

52978395012 is an abundant number, since it is smaller than the sum of its proper divisors (70642296924).

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

52978395012 is a wasteful number, since it uses less digits than its factorization.

52978395012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158467 (or 158465 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 52978395012 in words is "fifty-two billion, nine hundred seventy-eight million, three hundred ninety-five thousand, twelve".