51488495459 has 8 divisors (see below), whose sum is σ = 54530908128. Its totient is φ = 48447602560.

The previous prime is 51488495449. The next prime is 51488495521. The reversal of 51488495459 is 95459488415.

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 51488495459 - 2⁸ = 51488495203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51488495419) 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, 309812 + ... + 446049.

It is an arithmetic number, because the mean of its divisors is an integer number (6816363516).

Almost surely, 2^51488495459 is an apocalyptic number.

51488495459 is a deficient number, since it is larger than the sum of its proper divisors (3042412669).

51488495459 is a wasteful number, since it uses less digits than its factorization.

51488495459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759885.

The product of its digits is 41472000, while the sum is 62.

The spelling of 51488495459 in words is "fifty-one billion, four hundred eighty-eight million, four hundred ninety-five thousand, four hundred fifty-nine".