54399444499345 has 12 divisors (see below), whose sum is σ = 71753316877620. Its totient is φ = 39563232362720.

The previous prime is 54399444499303. The next prime is 54399444499429.

54399444499345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 17291159493696 + 37108285005649 = 4158264^2 + 6091657^2 .

It is not a de Polignac number, because 54399444499345 - 2²³ = 54399436110737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44958217990 + ... + 44958219199.

It is an arithmetic number, because the mean of its divisors is an integer number (5979443073135).

Almost surely, 2^{54399444499345} is an apocalyptic number.

54399444499345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54399444499345 is a deficient number, since it is larger than the sum of its proper divisors (17353872378275).

54399444499345 is a wasteful number, since it uses less digits than its factorization.

54399444499345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89916437216 (or 89916437205 counting only the distinct ones).

The product of its digits is 6046617600, while the sum is 76.

The spelling of 54399444499345 in words is "fifty-four trillion, three hundred ninety-nine billion, four hundred forty-four million, four hundred ninety-nine thousand, three hundred forty-five".