255557716055 has 16 divisors (see below), whose sum is σ = 312760544544. Its totient is φ = 200408196480.

The previous prime is 255557715997. The next prime is 255557716061. The reversal of 255557716055 is 550617755552.

It is not a de Polignac number, because 255557716055 - 2¹⁰ = 255557715031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255557715988 and 255557716006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340489 + ... + 1519218.

It is an arithmetic number, because the mean of its divisors is an integer number (19547534034).

Almost surely, 2^255557716055 is an apocalyptic number.

255557716055 is a deficient number, since it is larger than the sum of its proper divisors (57202828489).

255557716055 is a wasteful number, since it uses less digits than its factorization.

255557716055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860066.

The product of its (nonzero) digits is 9187500, while the sum is 53.

The spelling of 255557716055 in words is "two hundred fifty-five billion, five hundred fifty-seven million, seven hundred sixteen thousand, fifty-five".