51193293 has 16 divisors (see below), whose sum is σ = 70763520. Its totient is φ = 32898096.

The previous prime is 51193291. The next prime is 51193327. The reversal of 51193293 is 39239115.

51193293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51193293 - 2¹ = 51193291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51193291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6738 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (4422720).

Almost surely, 2^51193293 is an apocalyptic number.

It is an amenable number.

51193293 is a deficient number, since it is larger than the sum of its proper divisors (19570227).

51193293 is a wasteful number, since it uses less digits than its factorization.

51193293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5536.

The product of its digits is 7290, while the sum is 33.

The square root of 51193293 is about 7154.9488467773. The cubic root of 51193293 is about 371.3108918475.

The spelling of 51193293 in words is "fifty-one million, one hundred ninety-three thousand, two hundred ninety-three".