55533223135 has 16 divisors (see below), whose sum is σ = 72505875456. Its totient is φ = 40586370048.

The previous prime is 55533223093. The next prime is 55533223157. The reversal of 55533223135 is 53132233555.

It is a cyclic number.

It is not a de Polignac number, because 55533223135 - 2¹⁹ = 55532698847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55533223094 and 55533223103.

It is a congruent number.

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, 4397599 + ... + 4410208.

It is an arithmetic number, because the mean of its divisors is an integer number (4531617216).

Almost surely, 2^55533223135 is an apocalyptic number.

55533223135 is a deficient number, since it is larger than the sum of its proper divisors (16972652321).

55533223135 is a wasteful number, since it uses less digits than its factorization.

55533223135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807922.

The product of its digits is 202500, while the sum is 37.

The spelling of 55533223135 in words is "fifty-five billion, five hundred thirty-three million, two hundred twenty-three thousand, one hundred thirty-five".