51848008993 has 8 divisors (see below), whose sum is σ = 57876847776. Its totient is φ = 46038400800.

The previous prime is 51848008973. The next prime is 51848009009. The reversal of 51848008993 is 39980084815.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51848008993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51848008913) 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, 54807148 + ... + 54808093.

It is an arithmetic number, because the mean of its divisors is an integer number (7234605972).

Almost surely, 2^51848008993 is an apocalyptic number.

It is an amenable number.

51848008993 is a deficient number, since it is larger than the sum of its proper divisors (6028838783).

51848008993 is a wasteful number, since it uses less digits than its factorization.

51848008993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109615295.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 51848008993 in words is "fifty-one billion, eight hundred forty-eight million, eight thousand, nine hundred ninety-three".