51052076333821 has 8 divisors (see below), whose sum is σ = 51890388572664. Its totient is φ = 50213809029120.

The previous prime is 51052076333803. The next prime is 51052076333827. The reversal of 51052076333821 is 12833367025015.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28024689007225 + 23027387326596 = 5293835^2 + 4798686^2 .

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 51052076333821 - 2⁷ = 51052076333693 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 (51052076333827) 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, 8938756 + ... + 13490941.

It is an arithmetic number, because the mean of its divisors is an integer number (6486298571583).

Almost surely, 2^{51052076333821} is an apocalyptic number.

It is an amenable number.

51052076333821 is a deficient number, since it is larger than the sum of its proper divisors (838312238843).

51052076333821 is a wasteful number, since it uses less digits than its factorization.

51052076333821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22467071.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 51052076333821 in words is "fifty-one trillion, fifty-two billion, seventy-six million, three hundred thirty-three thousand, eight hundred twenty-one".