30555565223655 has 16 divisors (see below), whose sum is σ = 50025855623040. Its totient is φ = 15917317697568.

The previous prime is 30555565223543. The next prime is 30555565223713. The reversal of 30555565223655 is 55632256555503.

It is not a de Polignac number, because 30555565223655 - 2²¹ = 30555563126503 is a prime.

It is a super-2 number, since 2×30555565223655² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30555565223595 and 30555565223604.

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, 23686484025 + ... + 23686485314.

It is an arithmetic number, because the mean of its divisors is an integer number (3126615976440).

Almost surely, 2^{30555565223655} is an apocalyptic number.

30555565223655 is a deficient number, since it is larger than the sum of its proper divisors (19470290399385).

30555565223655 is a wasteful number, since it uses less digits than its factorization.

30555565223655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47372969390.

The product of its (nonzero) digits is 101250000, while the sum is 57.

The spelling of 30555565223655 in words is "thirty trillion, five hundred fifty-five billion, five hundred sixty-five million, two hundred twenty-three thousand, six hundred fifty-five".