11028553 has 8 divisors (see below), whose sum is σ = 11420672. Its totient is φ = 10641456.

The previous prime is 11028551. The next prime is 11028593. The reversal of 11028553 is 35582011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11028553 - 2¹ = 11028551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11028551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526 + ... + 5872.

It is an arithmetic number, because the mean of its divisors is an integer number (1427584).

Almost surely, 2^11028553 is an apocalyptic number.

It is an amenable number.

11028553 is a deficient number, since it is larger than the sum of its proper divisors (392119).

11028553 is a wasteful number, since it uses less digits than its factorization.

11028553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 11028553 is about 3320.9265273414. The cubic root of 11028553 is about 222.5902709921.

The spelling of 11028553 in words is "eleven million, twenty-eight thousand, five hundred fifty-three".