51292811 has 2 divisors, whose sum is σ = 51292812. Its totient is φ = 51292810.

The previous prime is 51292789. The next prime is 51292849. The reversal of 51292811 is 11829215.

51292811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51292811 - 2²² = 47098507 is a prime.

It is equal to p_3073934 and since 51292811 and 3073934 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (51292861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25646405 + 25646406.

It is an arithmetic number, because the mean of its divisors is an integer number (25646406).

Almost surely, 2^51292811 is an apocalyptic number.

51292811 is a deficient number, since it is larger than the sum of its proper divisors (1).

51292811 is an equidigital number, since it uses as much as digits as its factorization.

51292811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 29.

The square root of 51292811 is about 7161.8999574135. The cubic root of 51292811 is about 371.5513413051.

The spelling of 51292811 in words is "fifty-one million, two hundred ninety-two thousand, eight hundred eleven".