54525985368 has 128 divisors (see below), whose sum is σ = 155803046400. Its totient is φ = 15798142976.

The previous prime is 54525985363. The next prime is 54525985379. The reversal of 54525985368 is 86358952545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54525985363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171955 + ... + 372317.

It is an arithmetic number, because the mean of its divisors is an integer number (1217211300).

Almost surely, 2^54525985368 is an apocalyptic number.

54525985368 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54525985368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77901523200).

54525985368 is an abundant number, since it is smaller than the sum of its proper divisors (101277061032).

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

54525985368 is a wasteful number, since it uses less digits than its factorization.

54525985368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200441 (or 200437 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 60.

The spelling of 54525985368 in words is "fifty-four billion, five hundred twenty-five million, nine hundred eighty-five thousand, three hundred sixty-eight".