55601210655 has 24 divisors (see below), whose sum is σ = 96432289200. Its totient is φ = 29636484480.

The previous prime is 55601210617. The next prime is 55601210657.

55601210655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55601210655 - 2²² = 55597016351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55601210657) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 287166 + ... + 440075.

It is an arithmetic number, because the mean of its divisors is an integer number (4018012050).

Almost surely, 2^55601210655 is an apocalyptic number.

55601210655 is a deficient number, since it is larger than the sum of its proper divisors (40831078545).

55601210655 is a wasteful number, since it uses less digits than its factorization.

55601210655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728951 (or 728948 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

It can be divided in two parts, 55601 and 210655, that added together give a square (266256 = 516²).

The spelling of 55601210655 in words is "fifty-five billion, six hundred one million, two hundred ten thousand, six hundred fifty-five".