51580783 has 2 divisors, whose sum is σ = 51580784. Its totient is φ = 51580782.

The previous prime is 51580777. The next prime is 51580799. The reversal of 51580783 is 38708515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51580783 - 2⁹ = 51580271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51580483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25790391 + 25790392.

It is an arithmetic number, because the mean of its divisors is an integer number (25790392).

Almost surely, 2^51580783 is an apocalyptic number.

51580783 is a deficient number, since it is larger than the sum of its proper divisors (1).

51580783 is an equidigital number, since it uses as much as digits as its factorization.

51580783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 51580783 is about 7181.9762600554. The cubic root of 51580783 is about 372.2453746875.

The spelling of 51580783 in words is "fifty-one million, five hundred eighty thousand, seven hundred eighty-three".