55131255355 has 16 divisors (see below), whose sum is σ = 72176832000. Its totient is φ = 40092676960.

The previous prime is 55131255353. The next prime is 55131255367. The reversal of 55131255355 is 55355213155.

It is not a de Polignac number, because 55131255355 - 2¹ = 55131255353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55131255353) 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, 1097376 + ... + 1146514.

It is an arithmetic number, because the mean of its divisors is an integer number (4511052000).

Almost surely, 2^55131255355 is an apocalyptic number.

55131255355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55131255355 is a deficient number, since it is larger than the sum of its proper divisors (17045576645).

55131255355 is a wasteful number, since it uses less digits than its factorization.

55131255355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69554.

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

The spelling of 55131255355 in words is "fifty-five billion, one hundred thirty-one million, two hundred fifty-five thousand, three hundred fifty-five".