53858981344839 has 16 divisors (see below), whose sum is σ = 78343808425344. Its totient is φ = 32640360240800.

The previous prime is 53858981344789. The next prime is 53858981344867. The reversal of 53858981344839 is 93844318985835.

It is a cyclic number.

It is not a de Polignac number, because 53858981344839 - 2¹² = 53858981340743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53858981344439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35409744 + ... + 36899429.

It is an arithmetic number, because the mean of its divisors is an integer number (4896488026584).

Almost surely, 2^{53858981344839} is an apocalyptic number.

53858981344839 is a deficient number, since it is larger than the sum of its proper divisors (24484827080505).

53858981344839 is a wasteful number, since it uses less digits than its factorization.

53858981344839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72331758.

The product of its digits is 3583180800, while the sum is 78.

The spelling of 53858981344839 in words is "fifty-three trillion, eight hundred fifty-eight billion, nine hundred eighty-one million, three hundred forty-four thousand, eight hundred thirty-nine".