51583144241 has 2 divisors, whose sum is σ = 51583144242. Its totient is φ = 51583144240.

The previous prime is 51583144231. The next prime is 51583144303. The reversal of 51583144241 is 14244138515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49430184241 + 2152960000 = 222329^2 + 46400^2 .

It is a cyclic number.

It is not a de Polignac number, because 51583144241 - 2¹⁴ = 51583127857 is a prime.

It is a super-2 number, since 2×51583144241² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51583144195 and 51583144204.

It is not a weakly prime, because it can be changed into another prime (51583144231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25791572120 + 25791572121.

It is an arithmetic number, because the mean of its divisors is an integer number (25791572121).

Almost surely, 2^51583144241 is an apocalyptic number.

It is an amenable number.

51583144241 is a deficient number, since it is larger than the sum of its proper divisors (1).

51583144241 is an equidigital number, since it uses as much as digits as its factorization.

51583144241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 38.

The spelling of 51583144241 in words is "fifty-one billion, five hundred eighty-three million, one hundred forty-four thousand, two hundred forty-one".