51352516646044 has 24 divisors (see below), whose sum is σ = 90582270105600. Its totient is φ = 25471902654576.

The previous prime is 51352516646021. The next prime is 51352516646099. The reversal of 51352516646044 is 44064661525315.

It is a super-2 number, since 2×51352516646044² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51352516645982 and 51352516646000.

It is a congruent number.

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, 1622739 + ... + 10263445.

It is an arithmetic number, because the mean of its divisors is an integer number (3774261254400).

Almost surely, 2^{51352516646044} is an apocalyptic number.

It is an amenable number.

51352516646044 is a deficient number, since it is larger than the sum of its proper divisors (39229753459556).

51352516646044 is a wasteful number, since it uses less digits than its factorization.

51352516646044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8652537 (or 8652535 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 51352516646044 in words is "fifty-one trillion, three hundred fifty-two billion, five hundred sixteen million, six hundred forty-six thousand, forty-four".