54385031391850 has 48 divisors (see below), whose sum is σ = 104420640508416. Its totient is φ = 21051991944000.

The previous prime is 54385031391811. The next prime is 54385031391877. The reversal of 54385031391850 is 5819313058345.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54385031391791 and 54385031391800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147361752 + ... + 147730348.

It is an arithmetic number, because the mean of its divisors is an integer number (2175430010592).

Almost surely, 2^{54385031391850} is an apocalyptic number.

54385031391850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54385031391850 is a deficient number, since it is larger than the sum of its proper divisors (50035609116566).

54385031391850 is a wasteful number, since it uses less digits than its factorization.

54385031391850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463831 (or 463826 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 54385031391850 in words is "fifty-four trillion, three hundred eighty-five billion, thirty-one million, three hundred ninety-one thousand, eight hundred fifty".