55243155135 has 32 divisors (see below), whose sum is σ = 101043832320. Its totient is φ = 25247069568.

The previous prime is 55243155089. The next prime is 55243155173. The reversal of 55243155135 is 53155134255.

It is not a de Polignac number, because 55243155135 - 2²⁵ = 55209600703 is a prime.

It is a super-3 number, since 3×55243155135³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55243155093 and 55243155102.

It is a congruent number.

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, 321496 + ... + 462434.

It is an arithmetic number, because the mean of its divisors is an integer number (3157619760).

Almost surely, 2^55243155135 is an apocalyptic number.

55243155135 is a deficient number, since it is larger than the sum of its proper divisors (45800677185).

55243155135 is a wasteful number, since it uses less digits than its factorization.

55243155135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144687.

The product of its digits is 225000, while the sum is 39.

The spelling of 55243155135 in words is "fifty-five billion, two hundred forty-three million, one hundred fifty-five thousand, one hundred thirty-five".