28552287502 has 32 divisors (see below), whose sum is σ = 45692349120. Its totient is φ = 13355435520.

The previous prime is 28552287443. The next prime is 28552287503. The reversal of 28552287502 is 20578225582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28552287503) 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, 489583 + ... + 544789.

It is an arithmetic number, because the mean of its divisors is an integer number (1427885910).

Almost surely, 2^28552287502 is an apocalyptic number.

28552287502 is a deficient number, since it is larger than the sum of its proper divisors (17140061618).

28552287502 is a wasteful number, since it uses less digits than its factorization.

28552287502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55516.

The product of its (nonzero) digits is 896000, while the sum is 46.

The spelling of 28552287502 in words is "twenty-eight billion, five hundred fifty-two million, two hundred eighty-seven thousand, five hundred two".