51682932001 has 4 divisors (see below), whose sum is σ = 53465102100. Its totient is φ = 49900761904.

The previous prime is 51682931999. The next prime is 51682932011. The reversal of 51682932001 is 10023928615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10023928615 = 5 ⋅2004785723.

It can be written as a sum of positive squares in 2 ways, for example, as 36931614976 + 14751317025 = 192176^2 + 121455^2 .

It is a cyclic number.

It is not a de Polignac number, because 51682932001 - 2¹ = 51682931999 is a prime.

It is a super-2 number, since 2×51682932001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51682932011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891085006 + ... + 891085063.

It is an arithmetic number, because the mean of its divisors is an integer number (13366275525).

Almost surely, 2^51682932001 is an apocalyptic number.

It is an amenable number.

51682932001 is a deficient number, since it is larger than the sum of its proper divisors (1782170099).

51682932001 is a wasteful number, since it uses less digits than its factorization.

51682932001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782170098.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 51682932001 in words is "fifty-one billion, six hundred eighty-two million, nine hundred thirty-two thousand, one".