28555255582 has 32 divisors (see below), whose sum is σ = 49969483200. Its totient is φ = 12233410560.

The previous prime is 28555255537. The next prime is 28555255607.

28555255582 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2365482 + ... + 2377522.

It is an arithmetic number, because the mean of its divisors is an integer number (1561546350).

Almost surely, 2^28555255582 is an apocalyptic number.

28555255582 is a deficient number, since it is larger than the sum of its proper divisors (21414227618).

28555255582 is a wasteful number, since it uses less digits than its factorization.

28555255582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15521 (or 15507 counting only the distinct ones).

The product of its digits is 8000000, while the sum is 52.

The spelling of 28555255582 in words is "twenty-eight billion, five hundred fifty-five million, two hundred fifty-five thousand, five hundred eighty-two".