51604711 has 2 divisors, whose sum is σ = 51604712. Its totient is φ = 51604710.

The previous prime is 51604697. The next prime is 51604733. The reversal of 51604711 is 11740615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51604711 - 2⁷ = 51604583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51604771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25802355 + 25802356.

It is an arithmetic number, because the mean of its divisors is an integer number (25802356).

Almost surely, 2^51604711 is an apocalyptic number.

51604711 is a deficient number, since it is larger than the sum of its proper divisors (1).

51604711 is an equidigital number, since it uses as much as digits as its factorization.

51604711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 51604711 is about 7183.6419036586. The cubic root of 51604711 is about 372.3029265499.

The spelling of 51604711 in words is "fifty-one million, six hundred four thousand, seven hundred eleven".