51817711054 has 8 divisors (see below), whose sum is σ = 77800665600. Its totient is φ = 25884155856.

The previous prime is 51817711013. The next prime is 51817711109. The reversal of 51817711054 is 45011771815.

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 = 51817710998 and 51817711016.

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, 12347214 + ... + 12351409.

It is an arithmetic number, because the mean of its divisors is an integer number (9725083200).

Almost surely, 2^51817711054 is an apocalyptic number.

51817711054 is a deficient number, since it is larger than the sum of its proper divisors (25982954546).

51817711054 is a wasteful number, since it uses less digits than its factorization.

51817711054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24699674.

The product of its (nonzero) digits is 39200, while the sum is 40.

The spelling of 51817711054 in words is "fifty-one billion, eight hundred seventeen million, seven hundred eleven thousand, fifty-four".