55386668368 has 20 divisors (see below), whose sum is σ = 111977395488. Its totient is φ = 26489276000.

The previous prime is 55386668341. The next prime is 55386668377. The reversal of 55386668368 is 86386668355.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 75253258 + ... + 75253993.

Almost surely, 2^55386668368 is an apocalyptic number.

It is an amenable number.

55386668368 is an abundant number, since it is smaller than the sum of its proper divisors (56590727120).

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

55386668368 is a wasteful number, since it uses less digits than its factorization.

55386668368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150507282 (or 150507276 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 64.

The spelling of 55386668368 in words is "fifty-five billion, three hundred eighty-six million, six hundred sixty-eight thousand, three hundred sixty-eight".