54985287750 has 64 divisors (see below), whose sum is σ = 137396293632. Its totient is φ = 14646396000.

The previous prime is 54985287701. The next prime is 54985287767. The reversal of 54985287750 is 5778258945.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639835 + ... + 720665.

It is an arithmetic number, because the mean of its divisors is an integer number (2146817088).

Almost surely, 2^54985287750 is an apocalyptic number.

54985287750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54985287750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68698146816).

54985287750 is an abundant number, since it is smaller than the sum of its proper divisors (82411005882).

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

54985287750 is a wasteful number, since it uses less digits than its factorization.

54985287750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81758 (or 81748 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 60.

The spelling of 54985287750 in words is "fifty-four billion, nine hundred eighty-five million, two hundred eighty-seven thousand, seven hundred fifty".