555155705656 has 8 divisors (see below), whose sum is σ = 1040916948120. Its totient is φ = 277577852824.

The previous prime is 555155705641. The next prime is 555155705683. The reversal of 555155705656 is 656507551555.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×555155705656² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 555155705597 and 555155705606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34697231596 + ... + 34697231611.

It is an arithmetic number, because the mean of its divisors is an integer number (130114618515).

Almost surely, 2^555155705656 is an apocalyptic number.

It is an amenable number.

555155705656 is a deficient number, since it is larger than the sum of its proper divisors (485761242464).

555155705656 is a wasteful number, since it uses less digits than its factorization.

555155705656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69394463213 (or 69394463209 counting only the distinct ones).

The product of its (nonzero) digits is 19687500, while the sum is 55.

The spelling of 555155705656 in words is "five hundred fifty-five billion, one hundred fifty-five million, seven hundred five thousand, six hundred fifty-six".