51920927 has 2 divisors, whose sum is σ = 51920928. Its totient is φ = 51920926.

The previous prime is 51920923. The next prime is 51920963. The reversal of 51920927 is 72902915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51920927 - 2² = 51920923 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51920923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25960463 + 25960464.

It is an arithmetic number, because the mean of its divisors is an integer number (25960464).

Almost surely, 2^51920927 is an apocalyptic number.

51920927 is a deficient number, since it is larger than the sum of its proper divisors (1).

51920927 is an equidigital number, since it uses as much as digits as its factorization.

51920927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 51920927 is about 7205.6177389590. The cubic root of 51920927 is about 373.0618268473.

The spelling of 51920927 in words is "fifty-one million, nine hundred twenty thousand, nine hundred twenty-seven".