51963751801 has 8 divisors (see below), whose sum is σ = 55968552584. Its totient is φ = 47960035200.

The previous prime is 51963751793. The next prime is 51963751849. The reversal of 51963751801 is 10815736915.

It can be written as a sum of positive squares in 4 ways, for example, as 1480402576 + 50483349225 = 38476^2 + 224685^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51963751801 - 2³ = 51963751793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51963752801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170100 + ... + 364501.

It is an arithmetic number, because the mean of its divisors is an integer number (6996069073).

Almost surely, 2^51963751801 is an apocalyptic number.

It is an amenable number.

51963751801 is a deficient number, since it is larger than the sum of its proper divisors (4004800783).

51963751801 is a wasteful number, since it uses less digits than its factorization.

51963751801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542091.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 51963751801 in words is "fifty-one billion, nine hundred sixty-three million, seven hundred fifty-one thousand, eight hundred one".