55891118234 has 12 divisors (see below), whose sum is σ = 97524298314. Its totient is φ = 23953336344.

The previous prime is 55891118233. The next prime is 55891118281. The reversal of 55891118234 is 43281119855.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37134446209 + 18756672025 = 192703^2 + 136955^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55891118233) 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 5 ways as a sum of consecutive naturals, for example, 285158669 + ... + 285158864.

Almost surely, 2^55891118234 is an apocalyptic number.

55891118234 is a deficient number, since it is larger than the sum of its proper divisors (41633180080).

55891118234 is a wasteful number, since it uses less digits than its factorization.

55891118234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570317549 (or 570317542 counting only the distinct ones).

The product of its digits is 345600, while the sum is 47.

The spelling of 55891118234 in words is "fifty-five billion, eight hundred ninety-one million, one hundred eighteen thousand, two hundred thirty-four".