51862774756 has 81 divisors (see below), whose sum is σ = 103948695963. Its totient is φ = 22627650240.

The previous prime is 51862774729. The next prime is 51862774783. The reversal of 51862774756 is 65747726815.

The square root of 51862774756 is 227734.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (51862774729) and next prime (51862774783).

It can be written as a sum of positive squares in 4 ways, for example, as 15299216100 + 36563558656 = 123690^2 + 191216^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51862774756.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 112500366 + ... + 112500826.

Almost surely, 2^51862774756 is an apocalyptic number.

51862774756 is the 227734-th square number.

It is an amenable number.

51862774756 is an abundant number, since it is smaller than the sum of its proper divisors (52085921207).

51862774756 is a wasteful number, since it uses less digits than its factorization.

51862774756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 495 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 58.

The spelling of 51862774756 in words is "fifty-one billion, eight hundred sixty-two million, seven hundred seventy-four thousand, seven hundred fifty-six".