5981305975550 has 24 divisors (see below), whose sum is σ = 11484107476032. Its totient is φ = 2315344248000.

The previous prime is 5981305975523. The next prime is 5981305975573. The reversal of 5981305975550 is 555795031895.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1929451991 + ... + 1929455090.

It is an arithmetic number, because the mean of its divisors is an integer number (478504478168).

Almost surely, 2^{5981305975550} is an apocalyptic number.

5981305975550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5981305975550 is a deficient number, since it is larger than the sum of its proper divisors (5502801500482).

5981305975550 is a wasteful number, since it uses less digits than its factorization.

5981305975550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858907124 (or 3858907119 counting only the distinct ones).

The product of its (nonzero) digits is 42525000, while the sum is 62.

The spelling of 5981305975550 in words is "five trillion, nine hundred eighty-one billion, three hundred five million, nine hundred seventy-five thousand, five hundred fifty".