51677774041 has 2 divisors, whose sum is σ = 51677774042. Its totient is φ = 51677774040.

The previous prime is 51677774023. The next prime is 51677774053. The reversal of 51677774041 is 14047777615.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48314238025 + 3363536016 = 219805^2 + 57996^2 .

It is a cyclic number.

It is not a de Polignac number, because 51677774041 - 2⁵ = 51677774009 is a prime.

It is not a weakly prime, because it can be changed into another prime (51677774741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25838887020 + 25838887021.

It is an arithmetic number, because the mean of its divisors is an integer number (25838887021).

Almost surely, 2^51677774041 is an apocalyptic number.

It is an amenable number.

51677774041 is a deficient number, since it is larger than the sum of its proper divisors (1).

51677774041 is an equidigital number, since it uses as much as digits as its factorization.

51677774041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152480, while the sum is 49.

The spelling of 51677774041 in words is "fifty-one billion, six hundred seventy-seven million, seven hundred seventy-four thousand, forty-one".