54981258556 has 12 divisors (see below), whose sum is σ = 109962517168. Its totient is φ = 23563396512.

The previous prime is 54981258529. The next prime is 54981258559. The reversal of 54981258556 is 65585218945.

54981258556 is an admirable number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 54981258556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54981258559) by changing a digit.

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, 981808161 + ... + 981808216.

Almost surely, 2^54981258556 is an apocalyptic number.

It is an amenable number.

54981258556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54981258556 is a wasteful number, since it uses less digits than its factorization.

54981258556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963616388 (or 1963616386 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 58.

The spelling of 54981258556 in words is "fifty-four billion, nine hundred eighty-one million, two hundred fifty-eight thousand, five hundred fifty-six".