51748293 has 8 divisors (see below), whose sum is σ = 69031008. Its totient is φ = 34482224.

The previous prime is 51748283. The next prime is 51748339. The reversal of 51748293 is 39284715.

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 51748293 - 2²⁰ = 50699717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51748283) 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, 9571 + ... + 13967.

It is an arithmetic number, because the mean of its divisors is an integer number (8628876).

Almost surely, 2^51748293 is an apocalyptic number.

It is an amenable number.

51748293 is a deficient number, since it is larger than the sum of its proper divisors (17282715).

51748293 is a wasteful number, since it uses less digits than its factorization.

51748293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its digits is 60480, while the sum is 39.

The square root of 51748293 is about 7193.6286392891. The cubic root of 51748293 is about 372.6478982693.

The spelling of 51748293 in words is "fifty-one million, seven hundred forty-eight thousand, two hundred ninety-three".