51055574287 has 2 divisors, whose sum is σ = 51055574288. Its totient is φ = 51055574286.

The previous prime is 51055574267. The next prime is 51055574321. The reversal of 51055574287 is 78247555015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51055574287 - 2⁷ = 51055574159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51055574287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51055574237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527787143 + 25527787144.

It is an arithmetic number, because the mean of its divisors is an integer number (25527787144).

Almost surely, 2^51055574287 is an apocalyptic number.

51055574287 is a deficient number, since it is larger than the sum of its proper divisors (1).

51055574287 is an equidigital number, since it uses as much as digits as its factorization.

51055574287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960000, while the sum is 49.

The spelling of 51055574287 in words is "fifty-one billion, fifty-five million, five hundred seventy-four thousand, two hundred eighty-seven".