51286593 has 8 divisors (see below), whose sum is σ = 68446048. Its totient is φ = 34159104.

The previous prime is 51286591. The next prime is 51286607. The reversal of 51286593 is 39568215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51286593 - 2¹ = 51286591 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51286591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3955 + ... + 10872.

It is an arithmetic number, because the mean of its divisors is an integer number (8555756).

Almost surely, 2^51286593 is an apocalyptic number.

It is an amenable number.

51286593 is a deficient number, since it is larger than the sum of its proper divisors (17159455).

51286593 is a wasteful number, since it uses less digits than its factorization.

51286593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15983.

The product of its digits is 64800, while the sum is 39.

The square root of 51286593 is about 7161.4658415718. The cubic root of 51286593 is about 371.5363268580.

The spelling of 51286593 in words is "fifty-one million, two hundred eighty-six thousand, five hundred ninety-three".