51275293 has 8 divisors (see below), whose sum is σ = 51861600. Its totient is φ = 50692368.

The previous prime is 51275291. The next prime is 51275353. The reversal of 51275293 is 39257215.

51275293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51275293 - 2¹ = 51275291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51275291) 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 7 ways as a sum of consecutive naturals, for example, 40098 + ... + 41356.

It is an arithmetic number, because the mean of its divisors is an integer number (6482700).

Almost surely, 2^51275293 is an apocalyptic number.

It is an amenable number.

51275293 is a deficient number, since it is larger than the sum of its proper divisors (586307).

51275293 is a wasteful number, since it uses less digits than its factorization.

51275293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 18900, while the sum is 34.

The square root of 51275293 is about 7160.6768534825. The cubic root of 51275293 is about 371.5090379271.

The spelling of 51275293 in words is "fifty-one million, two hundred seventy-five thousand, two hundred ninety-three".