51797503871 has 8 divisors (see below), whose sum is σ = 51930307200. Its totient is φ = 51664747680.

The previous prime is 51797503853. The next prime is 51797503889. The reversal of 51797503871 is 17830579715.

It is an interprime number because it is at equal distance from previous prime (51797503853) and next prime (51797503889).

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 51797503871 - 2¹⁴ = 51797487487 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 (51797502871) 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, 3473810 + ... + 3488688.

It is an arithmetic number, because the mean of its divisors is an integer number (6491288400).

Almost surely, 2^51797503871 is an apocalyptic number.

51797503871 is a deficient number, since it is larger than the sum of its proper divisors (132803329).

51797503871 is a wasteful number, since it uses less digits than its factorization.

51797503871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23569.

The product of its (nonzero) digits is 1852200, while the sum is 53.

The spelling of 51797503871 in words is "fifty-one billion, seven hundred ninety-seven million, five hundred three thousand, eight hundred seventy-one".