51771417053 has 8 divisors (see below), whose sum is σ = 52533572280. Its totient is φ = 51013923840.

The previous prime is 51771417023. The next prime is 51771417097. The reversal of 51771417053 is 35071417715.

It can be written as a sum of positive squares in 4 ways, for example, as 2896377124 + 48875039929 = 53818^2 + 221077^2 .

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 51771417053 - 2¹⁰ = 51771416029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51771417053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51771417023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1143128 + ... + 1187553.

It is an arithmetic number, because the mean of its divisors is an integer number (6566696535).

Almost surely, 2^51771417053 is an apocalyptic number.

It is an amenable number.

51771417053 is a deficient number, since it is larger than the sum of its proper divisors (762155227).

51771417053 is a wasteful number, since it uses less digits than its factorization.

51771417053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331007.

The product of its (nonzero) digits is 102900, while the sum is 41.

The spelling of 51771417053 in words is "fifty-one billion, seven hundred seventy-one million, four hundred seventeen thousand, fifty-three".