11434553 has 4 divisors (see below), whose sum is σ = 12314148. Its totient is φ = 10554960.

The previous prime is 11434543. The next prime is 11434589. The reversal of 11434553 is 35543411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 4507129 = 2632^2 + 2123^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11434553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434543) 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, 439778 + ... + 439803.

It is an arithmetic number, because the mean of its divisors is an integer number (3078537).

Almost surely, 2^11434553 is an apocalyptic number.

11434553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11434553 is a deficient number, since it is larger than the sum of its proper divisors (879595).

11434553 is an equidigital number, since it uses as much as digits as its factorization.

11434553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879594.

The product of its digits is 3600, while the sum is 26.

The square root of 11434553 is about 3381.5015895309. The cubic root of 11434553 is about 225.2888668389.

Adding to 11434553 its reverse (35543411), we get a palindrome (46977964).

The spelling of 11434553 in words is "eleven million, four hundred thirty-four thousand, five hundred fifty-three".