51338273 has 16 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 42524160.

The previous prime is 51338267. The next prime is 51338293. The reversal of 51338273 is 37283315.

It is not a de Polignac number, because 51338273 - 2⁴ = 51338257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51338213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31640 + ... + 33222.

It is an arithmetic number, because the mean of its divisors is an integer number (3792096).

Almost surely, 2^51338273 is an apocalyptic number.

It is an amenable number.

51338273 is a deficient number, since it is larger than the sum of its proper divisors (9335263).

51338273 is a wasteful number, since it uses less digits than its factorization.

51338273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its digits is 15120, while the sum is 32.

The square root of 51338273 is about 7165.0731329136. The cubic root of 51338273 is about 371.6610803945.

The spelling of 51338273 in words is "fifty-one million, three hundred thirty-eight thousand, two hundred seventy-three".