51675639165253 has 8 divisors (see below), whose sum is σ = 54960743109888. Its totient is φ = 48417797494464.

The previous prime is 51675639165251. The next prime is 51675639165263. The reversal of 51675639165253 is 35256193657615.

It is a happy number.

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 51675639165253 - 2¹ = 51675639165251 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 (51675639165251) 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, 6815564551 + ... + 6815572132.

It is an arithmetic number, because the mean of its divisors is an integer number (6870092888736).

Almost surely, 2^{51675639165253} is an apocalyptic number.

It is an amenable number.

51675639165253 is a deficient number, since it is larger than the sum of its proper divisors (3285103944635).

51675639165253 is a wasteful number, since it uses less digits than its factorization.

51675639165253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13631136923.

The product of its digits is 153090000, while the sum is 64.

The spelling of 51675639165253 in words is "fifty-one trillion, six hundred seventy-five billion, six hundred thirty-nine million, one hundred sixty-five thousand, two hundred fifty-three".