55388888355 has 16 divisors (see below), whose sum is σ = 88643268864. Its totient is φ = 29533724640.

The previous prime is 55388888341. The next prime is 55388888393.

55388888355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55388888355 - 2⁴ = 55388888339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372909 + ... + 499838.

It is an arithmetic number, because the mean of its divisors is an integer number (5540204304).

Almost surely, 2^55388888355 is an apocalyptic number.

55388888355 is a deficient number, since it is larger than the sum of its proper divisors (33254380509).

55388888355 is a wasteful number, since it uses less digits than its factorization.

55388888355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876986.

The product of its digits is 184320000, while the sum is 66.

The spelling of 55388888355 in words is "fifty-five billion, three hundred eighty-eight million, eight hundred eighty-eight thousand, three hundred fifty-five".