51352516646046 has 96 divisors (see below), whose sum is σ = 138724313734656. Its totient is φ = 13337755704000.

The previous prime is 51352516646021. The next prime is 51352516646099. The reversal of 51352516646046 is 64064661525315.

51352516646046 is a `hidden beast` number, since 5 + 1 + 3 + 5 + 2 + 516 + 64 + 60 + 4 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51352516645983 and 51352516646001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32748751 + ... + 34280981.

It is an arithmetic number, because the mean of its divisors is an integer number (1445044934736).

Almost surely, 2^{51352516646046} is an apocalyptic number.

51352516646046 is an abundant number, since it is smaller than the sum of its proper divisors (87371797088610).

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

51352516646046 is a wasteful number, since it uses less digits than its factorization.

51352516646046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556438 (or 1556435 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 51352516646046 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred sixteen million, six hundred forty-six thousand, forty-six".