51887527 has 2 divisors, whose sum is σ = 51887528. Its totient is φ = 51887526.

The previous prime is 51887447. The next prime is 51887567. The reversal of 51887527 is 72578815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51887527 - 2⁷ = 51887399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51887567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25943763 + 25943764.

It is an arithmetic number, because the mean of its divisors is an integer number (25943764).

Almost surely, 2^51887527 is an apocalyptic number.

51887527 is a deficient number, since it is larger than the sum of its proper divisors (1).

51887527 is an equidigital number, since it uses as much as digits as its factorization.

51887527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 43.

The square root of 51887527 is about 7203.2997299849. The cubic root of 51887527 is about 372.9818145509.

The spelling of 51887527 in words is "fifty-one million, eight hundred eighty-seven thousand, five hundred twenty-seven".