55550553366 has 32 divisors (see below), whose sum is σ = 138515666688. Its totient is φ = 14428715040.

The previous prime is 55550553361. The next prime is 55550553413. The reversal of 55550553366 is 66335505555.

55550553366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550553361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60119185 + ... + 60120108.

It is an arithmetic number, because the mean of its divisors is an integer number (4328614584).

Almost surely, 2^55550553366 is an apocalyptic number.

55550553366 is an abundant number, since it is smaller than the sum of its proper divisors (82965113322).

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

55550553366 is a wasteful number, since it uses less digits than its factorization.

55550553366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120239316.

The product of its (nonzero) digits is 5062500, while the sum is 48.

The spelling of 55550553366 in words is "fifty-five billion, five hundred fifty million, five hundred fifty-three thousand, three hundred sixty-six".