51488048804893 has 8 divisors (see below), whose sum is σ = 54516830173560. Its totient is φ = 48459275504640.

The previous prime is 51488048804879. The next prime is 51488048804909. The reversal of 51488048804893 is 39840884088415.

It can be written as a sum of positive squares in 4 ways, for example, as 3346071417529 + 48141977387364 = 1829227^2 + 6938442^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51488048804893 - 2²⁵ = 51488015250461 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 (51488048804813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15435813 + ... + 18472693.

It is an arithmetic number, because the mean of its divisors is an integer number (6814603771695).

Almost surely, 2^{51488048804893} is an apocalyptic number.

It is an amenable number.

51488048804893 is a deficient number, since it is larger than the sum of its proper divisors (3028781368667).

51488048804893 is a wasteful number, since it uses less digits than its factorization.

51488048804893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034207.

The product of its (nonzero) digits is 283115520, while the sum is 70.

The spelling of 51488048804893 in words is "fifty-one trillion, four hundred eighty-eight billion, forty-eight million, eight hundred four thousand, eight hundred ninety-three".