55617062208 has 56 divisors (see below), whose sum is σ = 147231372288. Its totient is φ = 18529207296.

The previous prime is 55617062167. The next prime is 55617062209. The reversal of 55617062208 is 80226071655.

It is a self number, because there is not a number n which added to its sum of digits gives 55617062208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55617062209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291585 + ... + 443007.

It is an arithmetic number, because the mean of its divisors is an integer number (2629131648).

Almost surely, 2^55617062208 is an apocalyptic number.

It is an amenable number.

55617062208 is an abundant number, since it is smaller than the sum of its proper divisors (91614310080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55617062208 is a wasteful number, since it uses less digits than its factorization.

55617062208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153351 (or 153341 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 55617062208 in words is "fifty-five billion, six hundred seventeen million, sixty-two thousand, two hundred eight".