51677352313 has 8 divisors (see below), whose sum is σ = 52957289088. Its totient is φ = 50400967344.

The previous prime is 51677352229. The next prime is 51677352319. The reversal of 51677352313 is 31325377615.

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 51677352313 - 2⁹ = 51677351801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51677352313.

It is not an unprimeable number, because it can be changed into a prime (51677352319) 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, 858481 + ... + 916702.

It is an arithmetic number, because the mean of its divisors is an integer number (6619661136).

Almost surely, 2^51677352313 is an apocalyptic number.

It is an amenable number.

51677352313 is a deficient number, since it is larger than the sum of its proper divisors (1279936775).

51677352313 is a wasteful number, since it uses less digits than its factorization.

51677352313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775903.

The product of its digits is 396900, while the sum is 43.

The spelling of 51677352313 in words is "fifty-one billion, six hundred seventy-seven million, three hundred fifty-two thousand, three hundred thirteen".