51548248293 has 4 divisors (see below), whose sum is σ = 68730997728. Its totient is φ = 34365498860.

The previous prime is 51548248277. The next prime is 51548248307. The reversal of 51548248293 is 39284284515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51548248293 - 2⁴ = 51548248277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51548246293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8591374713 + ... + 8591374718.

It is an arithmetic number, because the mean of its divisors is an integer number (17182749432).

Almost surely, 2^51548248293 is an apocalyptic number.

It is an amenable number.

51548248293 is a deficient number, since it is larger than the sum of its proper divisors (17182749435).

51548248293 is a wasteful number, since it uses less digits than its factorization.

51548248293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17182749434.

The product of its digits is 2764800, while the sum is 51.

The spelling of 51548248293 in words is "fifty-one billion, five hundred forty-eight million, two hundred forty-eight thousand, two hundred ninety-three".