51800144039 has 8 divisors (see below), whose sum is σ = 59285843328. Its totient is φ = 44335864440.

The previous prime is 51800144023. The next prime is 51800144051. The reversal of 51800144039 is 93044100815.

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

It is not a de Polignac number, because 51800144039 - 2⁴ = 51800144023 is a prime.

It is a super-2 number, since 2×51800144039² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51800144089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5349737 + ... + 5359410.

It is an arithmetic number, because the mean of its divisors is an integer number (7410730416).

Almost surely, 2^51800144039 is an apocalyptic number.

51800144039 is a deficient number, since it is larger than the sum of its proper divisors (7485699289).

51800144039 is a wasteful number, since it uses less digits than its factorization.

51800144039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10709845.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 51800144039 in words is "fifty-one billion, eight hundred million, one hundred forty-four thousand, thirty-nine".