13555555582 has 4 divisors (see below), whose sum is σ = 20333333376. Its totient is φ = 6777777790.

The previous prime is 13555555571. The next prime is 13555555583. The reversal of 13555555582 is 28555555531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555555583) by changing a digit.

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 as a sum of consecutive naturals, namely, 3388888894 + ... + 3388888897.

It is an arithmetic number, because the mean of its divisors is an integer number (5083333344).

Almost surely, 2^13555555582 is an apocalyptic number.

13555555582 is a deficient number, since it is larger than the sum of its proper divisors (6777777794).

13555555582 is an equidigital number, since it uses as much as digits as its factorization.

13555555582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777777793.

The product of its digits is 3750000, while the sum is 49.

The spelling of 13555555582 in words is "thirteen billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred eighty-two".