51061793 has 2 divisors, whose sum is σ = 51061794. Its totient is φ = 51061792.

The previous prime is 51061783. The next prime is 51061799. The reversal of 51061793 is 39716015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29084449 + 21977344 = 5393^2 + 4688^2 .

It is a cyclic number.

It is not a de Polignac number, because 51061793 - 2¹⁰ = 51060769 is a prime.

It is not a weakly prime, because it can be changed into another prime (51061799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530896 + 25530897.

It is an arithmetic number, because the mean of its divisors is an integer number (25530897).

Almost surely, 2^51061793 is an apocalyptic number.

It is an amenable number.

51061793 is a deficient number, since it is larger than the sum of its proper divisors (1).

51061793 is an equidigital number, since it uses as much as digits as its factorization.

51061793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 51061793 is about 7145.7534942090. The cubic root of 51061793 is about 370.9926909873.

The spelling of 51061793 in words is "fifty-one million, sixty-one thousand, seven hundred ninety-three".