51755727505282 has 8 divisors (see below), whose sum is σ = 79527093483852. Its totient is φ = 25246696344000.

The previous prime is 51755727505259. The next prime is 51755727505291. The reversal of 51755727505282 is 28250572755715.

It can be written as a sum of positive squares in 2 ways, for example, as 39090392477361 + 12665335027921 = 6252231^2 + 3558839^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 51755727505282.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315583704219 + ... + 315583704382.

Almost surely, 2^{51755727505282} is an apocalyptic number.

51755727505282 is a deficient number, since it is larger than the sum of its proper divisors (27771365978570).

51755727505282 is a wasteful number, since it uses less digits than its factorization.

51755727505282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631167408644.

The product of its (nonzero) digits is 68600000, while the sum is 61.

The spelling of 51755727505282 in words is "fifty-one trillion, seven hundred fifty-five billion, seven hundred twenty-seven million, five hundred five thousand, two hundred eighty-two".