51143593 has 2 divisors, whose sum is σ = 51143594. Its totient is φ = 51143592.

The previous prime is 51143557. The next prime is 51143623. The reversal of 51143593 is 39534115.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35366809 + 15776784 = 5947^2 + 3972^2 .

It is a cyclic number.

It is not a de Polignac number, because 51143593 - 2²¹ = 49046441 is a prime.

It is not a weakly prime, because it can be changed into another prime (51143503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25571796 + 25571797.

It is an arithmetic number, because the mean of its divisors is an integer number (25571797).

Almost surely, 2^51143593 is an apocalyptic number.

It is an amenable number.

51143593 is a deficient number, since it is larger than the sum of its proper divisors (1).

51143593 is an equidigital number, since it uses as much as digits as its factorization.

51143593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 31.

The square root of 51143593 is about 7151.4748828476. The cubic root of 51143593 is about 371.1906929867.

The spelling of 51143593 in words is "fifty-one million, one hundred forty-three thousand, five hundred ninety-three".