55555263306 has 24 divisors (see below), whose sum is σ = 120376744644. Its totient is φ = 18517343040.

The previous prime is 55555263227. The next prime is 55555263331. The reversal of 55555263306 is 60336255555.

It is a happy number.

55555263306 is a `hidden beast` number, since 5 + 5 + 5 + 5 + 5 + 2 + 633 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54664778025 + 890485281 = 233805^2 + 29841^2 .

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 266046 + ... + 426486.

Almost surely, 2^55555263306 is an apocalyptic number.

55555263306 is an abundant number, since it is smaller than the sum of its proper divisors (64821481338).

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

55555263306 is a wasteful number, since it uses less digits than its factorization.

55555263306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179686 (or 179683 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 45.

The spelling of 55555263306 in words is "fifty-five billion, five hundred fifty-five million, two hundred sixty-three thousand, three hundred six".