55156163135 has 4 divisors (see below), whose sum is σ = 66187395768. Its totient is φ = 44124930504.

The previous prime is 55156163099. The next prime is 55156163141. The reversal of 55156163135 is 53136165155.

It is a happy number.

55156163135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55156163135 - 2⁶ = 55156163071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55156163092 and 55156163101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5515616309 + ... + 5515616318.

It is an arithmetic number, because the mean of its divisors is an integer number (16546848942).

Almost surely, 2^55156163135 is an apocalyptic number.

55156163135 is a deficient number, since it is larger than the sum of its proper divisors (11031232633).

55156163135 is a wasteful number, since it uses less digits than its factorization.

55156163135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031232632.

The product of its digits is 202500, while the sum is 41.

The spelling of 55156163135 in words is "fifty-five billion, one hundred fifty-six million, one hundred sixty-three thousand, one hundred thirty-five".