52478514812 has 6 divisors (see below), whose sum is σ = 91837400928. Its totient is φ = 26239257404.

The previous prime is 52478514791. The next prime is 52478514839. The reversal of 52478514812 is 21841587425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6559814348 + ... + 6559814355.

It is an arithmetic number, because the mean of its divisors is an integer number (15306233488).

Almost surely, 2^52478514812 is an apocalyptic number.

It is an amenable number.

52478514812 is a deficient number, since it is larger than the sum of its proper divisors (39358886116).

52478514812 is a wasteful number, since it uses less digits than its factorization.

52478514812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119628707 (or 13119628705 counting only the distinct ones).

The product of its digits is 716800, while the sum is 47.

The spelling of 52478514812 in words is "fifty-two billion, four hundred seventy-eight million, five hundred fourteen thousand, eight hundred twelve".