55345155555 has 32 divisors (see below), whose sum is σ = 91094474304. Its totient is φ = 28672621056.

The previous prime is 55345155457. The next prime is 55345155577. The reversal of 55345155555 is 55555154355.

It is a happy number.

55345155555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55345155555 - 2⁷ = 55345155427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258877 + ... + 421553.

It is an arithmetic number, because the mean of its divisors is an integer number (2846702322).

Almost surely, 2^55345155555 is an apocalyptic number.

55345155555 is a deficient number, since it is larger than the sum of its proper divisors (35749318749).

55345155555 is a wasteful number, since it uses less digits than its factorization.

55345155555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163335.

The product of its digits is 4687500, while the sum is 48.

The spelling of 55345155555 in words is "fifty-five billion, three hundred forty-five million, one hundred fifty-five thousand, five hundred fifty-five".