51424803866558 has 8 divisors (see below), whose sum is σ = 77256428685552. Its totient is φ = 25672660971376.

The previous prime is 51424803866549. The next prime is 51424803866599. The reversal of 51424803866558 is 85566830842415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51424803866494 and 51424803866503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19870479335 + ... + 19870481922.

It is an arithmetic number, because the mean of its divisors is an integer number (9657053585694).

Almost surely, 2^{51424803866558} is an apocalyptic number.

51424803866558 is a deficient number, since it is larger than the sum of its proper divisors (25831624818994).

51424803866558 is a wasteful number, since it uses less digits than its factorization.

51424803866558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39740961906.

The product of its (nonzero) digits is 221184000, while the sum is 65.

The spelling of 51424803866558 in words is "fifty-one trillion, four hundred twenty-four billion, eight hundred three million, eight hundred sixty-six thousand, five hundred fifty-eight".