51287802483 has 8 divisors (see below), whose sum is σ = 68445739008. Its totient is φ = 34160867144.

The previous prime is 51287802439. The next prime is 51287802491. The reversal of 51287802483 is 38420878215.

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 51287802483 - 2¹⁰ = 51287801459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51287802493) 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, 7746435 + ... + 7753052.

It is an arithmetic number, because the mean of its divisors is an integer number (8555717376).

Almost surely, 2^51287802483 is an apocalyptic number.

51287802483 is a deficient number, since it is larger than the sum of its proper divisors (17157936525).

51287802483 is a wasteful number, since it uses less digits than its factorization.

51287802483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15500593.

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 51287802483 in words is "fifty-one billion, two hundred eighty-seven million, eight hundred two thousand, four hundred eighty-three".