55147093318 has 16 divisors (see below), whose sum is σ = 84288671280. Its totient is φ = 27055600000.

The previous prime is 55147093291. The next prime is 55147093357. The reversal of 55147093318 is 81339074155.

It is a happy number.

It is a super-4 number, since 4×55147093318⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159183 + ... + 1205818.

It is an arithmetic number, because the mean of its divisors is an integer number (5268041955).

Almost surely, 2^55147093318 is an apocalyptic number.

55147093318 is a deficient number, since it is larger than the sum of its proper divisors (29141577962).

55147093318 is a wasteful number, since it uses less digits than its factorization.

55147093318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365223.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 55147093318 in words is "fifty-five billion, one hundred forty-seven million, ninety-three thousand, three hundred eighteen".