55601055555 has 16 divisors (see below), whose sum is σ = 93643883520. Its totient is φ = 28093164768.

The previous prime is 55601055553. The next prime is 55601055569. The reversal of 55601055555 is 55555010655.

It is not a de Polignac number, because 55601055555 - 2¹ = 55601055553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55601055553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97545427 + ... + 97545996.

It is an arithmetic number, because the mean of its divisors is an integer number (5852742720).

Almost surely, 2^55601055555 is an apocalyptic number.

55601055555 is a deficient number, since it is larger than the sum of its proper divisors (38042827965).

55601055555 is a wasteful number, since it uses less digits than its factorization.

55601055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195091450.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 55601055555 in words is "fifty-five billion, six hundred one million, fifty-five thousand, five hundred fifty-five".