54138030650 has 24 divisors (see below), whose sum is σ = 109850986944. Its totient is φ = 19686556400.

The previous prime is 54138030613. The next prime is 54138030733. The reversal of 54138030650 is 5603083145.

It is a self number, because there is not a number n which added to its sum of digits gives 54138030650.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49215842 + ... + 49216941.

It is an arithmetic number, because the mean of its divisors is an integer number (4577124456).

Almost surely, 2^54138030650 is an apocalyptic number.

54138030650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54138030650 is an abundant number, since it is smaller than the sum of its proper divisors (55712956294).

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

54138030650 is a wasteful number, since it uses less digits than its factorization.

54138030650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98432806 (or 98432801 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 54138030650 in words is "fifty-four billion, one hundred thirty-eight million, thirty thousand, six hundred fifty".