55542649194 has 36 divisors (see below), whose sum is σ = 127009590786. Its totient is φ = 17539781904.

The previous prime is 55542649177. The next prime is 55542649223. The reversal of 55542649194 is 49194624555.

It is a happy number.

55542649194 is a `hidden beast` number, since 5 + 5 + 542 + 6 + 4 + 9 + 1 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53055133569 + 2487515625 = 230337^2 + 49875^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55542649194.

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 17 ways as a sum of consecutive naturals, for example, 4267329 + ... + 4280324.

Almost surely, 2^55542649194 is an apocalyptic number.

55542649194 is an abundant number, since it is smaller than the sum of its proper divisors (71466941592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55542649194 is a wasteful number, since it uses less digits than its factorization.

55542649194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547699 (or 8547677 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 55542649194 in words is "fifty-five billion, five hundred forty-two million, six hundred forty-nine thousand, one hundred ninety-four".