28552570 has 8 divisors (see below), whose sum is σ = 51394644. Its totient is φ = 11421024.

The previous prime is 28552553. The next prime is 28552577. The reversal of 28552570 is 7525582.

It can be written as a sum of positive squares in 2 ways, for example, as 27783441 + 769129 = 5271^2 + 877^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28552577) 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, 1427619 + ... + 1427638.

Almost surely, 2^28552570 is an apocalyptic number.

28552570 is a deficient number, since it is larger than the sum of its proper divisors (22842074).

28552570 is a wasteful number, since it uses less digits than its factorization.

28552570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855264.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 28552570 is about 5343.4604892335. The cubic root of 28552570 is about 305.6434324777.

The spelling of 28552570 in words is "twenty-eight million, five hundred fifty-two thousand, five hundred seventy".