51928841 has 2 divisors, whose sum is σ = 51928842. Its totient is φ = 51928840.

The previous prime is 51928823. The next prime is 51928861. The reversal of 51928841 is 14882915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35760400 + 16168441 = 5980^2 + 4021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51928841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51928795 and 51928804.

It is not a weakly prime, because it can be changed into another prime (51928861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25964420 + 25964421.

It is an arithmetic number, because the mean of its divisors is an integer number (25964421).

Almost surely, 2^51928841 is an apocalyptic number.

It is an amenable number.

51928841 is a deficient number, since it is larger than the sum of its proper divisors (1).

51928841 is an equidigital number, since it uses as much as digits as its factorization.

51928841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The square root of 51928841 is about 7206.1668728944. The cubic root of 51928841 is about 373.0807804207.

The spelling of 51928841 in words is "fifty-one million, nine hundred twenty-eight thousand, eight hundred forty-one".