51542710727 has 2 divisors, whose sum is σ = 51542710728. Its totient is φ = 51542710726.

The previous prime is 51542710711. The next prime is 51542710733. The reversal of 51542710727 is 72701724515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51542710727 - 2⁴ = 51542710711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51542710027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25771355363 + 25771355364.

It is an arithmetic number, because the mean of its divisors is an integer number (25771355364).

Almost surely, 2^51542710727 is an apocalyptic number.

51542710727 is a deficient number, since it is larger than the sum of its proper divisors (1).

51542710727 is an equidigital number, since it uses as much as digits as its factorization.

51542710727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 137200, while the sum is 41.

The spelling of 51542710727 in words is "fifty-one billion, five hundred forty-two million, seven hundred ten thousand, seven hundred twenty-seven".