51802144801 has 16 divisors (see below), whose sum is σ = 56774053440. Its totient is φ = 46874336320.

The previous prime is 51802144789. The next prime is 51802144811. The reversal of 51802144801 is 10844120815.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51802144801 - 2¹³ = 51802136609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51802144811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3433791 + ... + 3448843.

It is an arithmetic number, because the mean of its divisors is an integer number (3548378340).

Almost surely, 2^51802144801 is an apocalyptic number.

It is an amenable number.

51802144801 is a deficient number, since it is larger than the sum of its proper divisors (4971908639).

51802144801 is a wasteful number, since it uses less digits than its factorization.

51802144801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16496.

The product of its (nonzero) digits is 10240, while the sum is 34.

The spelling of 51802144801 in words is "fifty-one billion, eight hundred two million, one hundred forty-four thousand, eight hundred one".