55136313 has 12 divisors (see below), whose sum is σ = 83104320. Its totient is φ = 35159256.

The previous prime is 55136303. The next prime is 55136329. The reversal of 55136313 is 31363155.

It is not a de Polignac number, because 55136313 - 2⁸ = 55136057 is a prime.

It is a super-2 number, since 2×55136313² = 6080026022467938, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55136303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132973 + ... + 133386.

It is an arithmetic number, because the mean of its divisors is an integer number (6925360).

Almost surely, 2^55136313 is an apocalyptic number.

It is an amenable number.

55136313 is a deficient number, since it is larger than the sum of its proper divisors (27968007).

55136313 is a wasteful number, since it uses less digits than its factorization.

55136313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266388 (or 266385 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 55136313 is about 7425.3830204239. The cubic root of 55136313 is about 380.6091637631.

Adding to 55136313 its reverse (31363155), we get a palindrome (86499468).

It can be divided in two parts, 551 and 36313, that added together give a square (36864 = 192²).

The spelling of 55136313 in words is "fifty-five million, one hundred thirty-six thousand, three hundred thirteen".