51887501831527 has 2 divisors, whose sum is σ = 51887501831528. Its totient is φ = 51887501831526.

The previous prime is 51887501831483. The next prime is 51887501831531. The reversal of 51887501831527 is 72513810578815.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51887501831527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51887501831827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25943750915763 + 25943750915764.

It is an arithmetic number, because the mean of its divisors is an integer number (25943750915764).

Almost surely, 2^{51887501831527} is an apocalyptic number.

51887501831527 is a deficient number, since it is larger than the sum of its proper divisors (1).

51887501831527 is an equidigital number, since it uses as much as digits as its factorization.

51887501831527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816000, while the sum is 61.

The spelling of 51887501831527 in words is "fifty-one trillion, eight hundred eighty-seven billion, five hundred one million, eight hundred thirty-one thousand, five hundred twenty-seven".