51604583 has 2 divisors, whose sum is σ = 51604584. Its totient is φ = 51604582.

The previous prime is 51604577. The next prime is 51604613. The reversal of 51604583 is 38540615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51604583 - 2⁶ = 51604519 is a prime.

It is a Sophie Germain 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 (51604573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25802291 + 25802292.

It is an arithmetic number, because the mean of its divisors is an integer number (25802292).

Almost surely, 2^51604583 is an apocalyptic number.

51604583 is a deficient number, since it is larger than the sum of its proper divisors (1).

51604583 is an equidigital number, since it uses as much as digits as its factorization.

51604583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 51604583 is about 7183.6329945230. The cubic root of 51604583 is about 372.3026187303.

The spelling of 51604583 in words is "fifty-one million, six hundred four thousand, five hundred eighty-three".