55317705534 has 288 divisors, whose sum is σ = 163168911360. Its totient is φ = 13373942400.

The previous prime is 55317705433. The next prime is 55317705563. The reversal of 55317705534 is 43550771355.

55317705534 is a `hidden beast` number, since 553 + 17 + 7 + 0 + 55 + 34 = 666.

55317705534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55317705534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6749379 + ... + 6757569.

It is an arithmetic number, because the mean of its divisors is an integer number (566558720).

Almost surely, 2^55317705534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55317705534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81584455680).

55317705534 is an abundant number, since it is smaller than the sum of its proper divisors (107851205826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55317705534 is a wasteful number, since it uses less digits than its factorization.

55317705534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276 (or 8266 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 45.

The spelling of 55317705534 in words is "fifty-five billion, three hundred seventeen million, seven hundred five thousand, five hundred thirty-four".