51677774023 has 2 divisors, whose sum is σ = 51677774024. Its totient is φ = 51677774022.

The previous prime is 51677774009. The next prime is 51677774041. The reversal of 51677774023 is 32047777615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51677774023 - 2¹³ = 51677765831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51677774053) 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, 25838887011 + 25838887012.

It is an arithmetic number, because the mean of its divisors is an integer number (25838887012).

Almost surely, 2^51677774023 is an apocalyptic number.

51677774023 is a deficient number, since it is larger than the sum of its proper divisors (1).

51677774023 is an equidigital number, since it uses as much as digits as its factorization.

51677774023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 51677774023 in words is "fifty-one billion, six hundred seventy-seven million, seven hundred seventy-four thousand, twenty-three".