55136255223 has 16 divisors (see below), whose sum is σ = 84552296960. Its totient is φ = 31305751776.

The previous prime is 55136255221. The next prime is 55136255243. The reversal of 55136255223 is 32255263155.

It is a happy number.

It is not a de Polignac number, because 55136255223 - 2¹ = 55136255221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55136255221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8358283 + ... + 8364876.

It is an arithmetic number, because the mean of its divisors is an integer number (5284518560).

Almost surely, 2^55136255223 is an apocalyptic number.

55136255223 is a deficient number, since it is larger than the sum of its proper divisors (29416041737).

55136255223 is a wasteful number, since it uses less digits than its factorization.

55136255223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16723326.

The product of its digits is 270000, while the sum is 39.

The spelling of 55136255223 in words is "fifty-five billion, one hundred thirty-six million, two hundred fifty-five thousand, two hundred twenty-three".