55135253155 has 16 divisors (see below), whose sum is σ = 66303792000. Its totient is φ = 44013974400.

The previous prime is 55135253153. The next prime is 55135253161.

55135253155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55135253155 - 2¹ = 55135253153 is a prime.

It is a super-2 number, since 2×55135253155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55135253153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5563705 + ... + 5573605.

It is an arithmetic number, because the mean of its divisors is an integer number (4143987000).

Almost surely, 2^55135253155 is an apocalyptic number.

55135253155 is a deficient number, since it is larger than the sum of its proper divisors (11168538845).

55135253155 is a wasteful number, since it uses less digits than its factorization.

55135253155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174.

The product of its digits is 281250, while the sum is 40.

The spelling of 55135253155 in words is "fifty-five billion, one hundred thirty-five million, two hundred fifty-three thousand, one hundred fifty-five".