51928663 has 2 divisors, whose sum is σ = 51928664. Its totient is φ = 51928662.

The previous prime is 51928661. The next prime is 51928697. The reversal of 51928663 is 36682915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51928663 - 2¹ = 51928661 is a prime.

Together with 51928661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51928661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25964331 + 25964332.

It is an arithmetic number, because the mean of its divisors is an integer number (25964332).

Almost surely, 2^51928663 is an apocalyptic number.

51928663 is a deficient number, since it is larger than the sum of its proper divisors (1).

51928663 is an equidigital number, since it uses as much as digits as its factorization.

51928663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 51928663 is about 7206.1545223510. The cubic root of 51928663 is about 373.0803541422.

The spelling of 51928663 in words is "fifty-one million, nine hundred twenty-eight thousand, six hundred sixty-three".