51837766841 has 12 divisors (see below), whose sum is σ = 60307847028. Its totient is φ = 44427382272.

The previous prime is 51837766831. The next prime is 51837766913. The reversal of 51837766841 is 14866773815.

It can be written as a sum of positive squares in 2 ways, for example, as 13772196025 + 38065570816 = 117355^2 + 195104^2 .

It is not a de Polignac number, because 51837766841 - 2¹⁰ = 51837765817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51837766801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420605 + ... + 529701.

It is an arithmetic number, because the mean of its divisors is an integer number (5025653919).

Almost surely, 2^51837766841 is an apocalyptic number.

It is an amenable number.

51837766841 is a deficient number, since it is larger than the sum of its proper divisors (8470080187).

51837766841 is a wasteful number, since it uses less digits than its factorization.

51837766841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118808 (or 118801 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 56.

The spelling of 51837766841 in words is "fifty-one billion, eight hundred thirty-seven million, seven hundred sixty-six thousand, eight hundred forty-one".