54399718950 has 24 divisors (see below), whose sum is σ = 134911303368. Its totient is φ = 14506591680.

The previous prime is 54399718927. The next prime is 54399718951. The reversal of 54399718950 is 5981799345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54399718951) 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 11 ways as a sum of consecutive naturals, for example, 181332247 + ... + 181332546.

It is an arithmetic number, because the mean of its divisors is an integer number (5621304307).

Almost surely, 2^54399718950 is an apocalyptic number.

54399718950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54399718950 is an abundant number, since it is smaller than the sum of its proper divisors (80511584418).

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

54399718950 is a wasteful number, since it uses less digits than its factorization.

54399718950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362664808 (or 362664803 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 54399718950 in words is "fifty-four billion, three hundred ninety-nine million, seven hundred eighteen thousand, nine hundred fifty".