51799914049 has 16 divisors (see below), whose sum is σ = 57346376080. Its totient is φ = 46479018240.

The previous prime is 51799914037. The next prime is 51799914079. The reversal of 51799914049 is 94041999715.

It can be written as a sum of positive squares in 8 ways, for example, as 4981824 + 51794932225 = 2232^2 + 227585^2 .

It is a cyclic number.

It is not a de Polignac number, because 51799914049 - 2¹⁵ = 51799881281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51799913984 and 51799914002.

It is not an unprimeable number, because it can be changed into a prime (51799914079) 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, 463819 + ... + 564559.

It is an arithmetic number, because the mean of its divisors is an integer number (3584148505).

Almost surely, 2^51799914049 is an apocalyptic number.

It is an amenable number.

51799914049 is a deficient number, since it is larger than the sum of its proper divisors (5546462031).

51799914049 is a wasteful number, since it uses less digits than its factorization.

51799914049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101860.

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 51799914049 in words is "fifty-one billion, seven hundred ninety-nine million, nine hundred fourteen thousand, forty-nine".