51891303483 has 8 divisors (see below), whose sum is σ = 76876005200. Its totient is φ = 34594202304.

The previous prime is 51891303479. The next prime is 51891303517. The reversal of 51891303483 is 38430319815.

51891303483 is a `hidden beast` number, since 51 + 8 + 91 + 30 + 3 + 483 = 666.

It is not a de Polignac number, because 51891303483 - 2² = 51891303479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51891303683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960950038 + ... + 960950091.

It is an arithmetic number, because the mean of its divisors is an integer number (9609500650).

Almost surely, 2^51891303483 is an apocalyptic number.

51891303483 is a deficient number, since it is larger than the sum of its proper divisors (24984701717).

51891303483 is a wasteful number, since it uses less digits than its factorization.

51891303483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921900138 (or 1921900132 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 51891303483 in words is "fifty-one billion, eight hundred ninety-one million, three hundred three thousand, four hundred eighty-three".