28555655582 has 8 divisors (see below), whose sum is σ = 45353100096. Its totient is φ = 13437955552.

The previous prime is 28555655581. The next prime is 28555655603.

28555655582 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28555655581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419936078 + ... + 419936145.

It is an arithmetic number, because the mean of its divisors is an integer number (5669137512).

Almost surely, 2^28555655582 is an apocalyptic number.

28555655582 is a deficient number, since it is larger than the sum of its proper divisors (16797444514).

28555655582 is a wasteful number, since it uses less digits than its factorization.

28555655582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839872242.

The product of its digits is 24000000, while the sum is 56.

The spelling of 28555655582 in words is "twenty-eight billion, five hundred fifty-five million, six hundred fifty-five thousand, five hundred eighty-two".