51176534321 has 16 divisors (see below), whose sum is σ = 55933452288. Its totient is φ = 46437138000.

The previous prime is 51176534309. The next prime is 51176534327. The reversal of 51176534321 is 12343567115.

It is a happy number.

It is not a de Polignac number, because 51176534321 - 2¹⁰ = 51176533297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51176534327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22573430 + ... + 22575696.

It is an arithmetic number, because the mean of its divisors is an integer number (3495840768).

Almost surely, 2^51176534321 is an apocalyptic number.

It is an amenable number.

51176534321 is a deficient number, since it is larger than the sum of its proper divisors (4756917967).

51176534321 is a wasteful number, since it uses less digits than its factorization.

51176534321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212.

The product of its digits is 75600, while the sum is 38.

The spelling of 51176534321 in words is "fifty-one billion, one hundred seventy-six million, five hundred thirty-four thousand, three hundred twenty-one".