51544413350013 has 64 divisors (see below), whose sum is σ = 73684187325440. Its totient is φ = 31954384230912.

The previous prime is 51544413349981. The next prime is 51544413350063. The reversal of 51544413350013 is 31005331444515.

It is not a de Polignac number, because 51544413350013 - 2⁵ = 51544413349981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51544413350063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4239889731 + ... + 4239901887.

It is an arithmetic number, because the mean of its divisors is an integer number (1151315426960).

Almost surely, 2^{51544413350013} is an apocalyptic number.

It is an amenable number.

51544413350013 is a deficient number, since it is larger than the sum of its proper divisors (22139773975427).

51544413350013 is a wasteful number, since it uses less digits than its factorization.

51544413350013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 51544413350013 its reverse (31005331444515), we get a palindrome (82549744794528).

The spelling of 51544413350013 in words is "fifty-one trillion, five hundred forty-four billion, four hundred thirteen million, three hundred fifty thousand, thirteen".