51546372843 has 16 divisors (see below), whose sum is σ = 83167257600. Its totient is φ = 27722418816.

The previous prime is 51546372833. The next prime is 51546372859. The reversal of 51546372843 is 34827364515.

It is not a de Polignac number, because 51546372843 - 2⁵ = 51546372811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51546372792 and 51546372801.

It is not an unprimeable number, because it can be changed into a prime (51546372803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72193443 + ... + 72194156.

It is an arithmetic number, because the mean of its divisors is an integer number (5197953600).

Almost surely, 2^51546372843 is an apocalyptic number.

51546372843 is a deficient number, since it is larger than the sum of its proper divisors (31620884757).

51546372843 is a wasteful number, since it uses less digits than its factorization.

51546372843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144387626.

The product of its digits is 2419200, while the sum is 48.

The spelling of 51546372843 in words is "fifty-one billion, five hundred forty-six million, three hundred seventy-two thousand, eight hundred forty-three".