55183838155 has 16 divisors (see below), whose sum is σ = 66674280960. Its totient is φ = 43844890752.

The previous prime is 55183838123. The next prime is 55183838161.

55183838155 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 55183838155 - 2⁵ = 55183838123 is a prime.

It is a super-3 number, since 3×55183838155³ (a number of 33 digits) contains 333 as substring.

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, 1741917 + ... + 1773313.

It is an arithmetic number, because the mean of its divisors is an integer number (4167142560).

Almost surely, 2^55183838155 is an apocalyptic number.

55183838155 is a deficient number, since it is larger than the sum of its proper divisors (11490442805).

55183838155 is a wasteful number, since it uses less digits than its factorization.

55183838155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33798.

The product of its digits is 2880000, while the sum is 52.

The spelling of 55183838155 in words is "fifty-five billion, one hundred eighty-three million, eight hundred thirty-eight thousand, one hundred fifty-five".