11434554 has 64 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 3608064.

The previous prime is 11434543. The next prime is 11434589. The reversal of 11434554 is 45543411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117834 + ... + 117930.

It is an arithmetic number, because the mean of its divisors is an integer number (418950).

Almost surely, 2^11434554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11434554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13406400).

11434554 is an abundant number, since it is smaller than the sum of its proper divisors (15378246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11434554 is a wasteful number, since it uses less digits than its factorization.

11434554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 198 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 11434554 is about 3381.5017373942. The cubic root of 11434554 is about 225.2888734064.

Adding to 11434554 its reverse (45543411), we get a palindrome (56977965).

The spelling of 11434554 in words is "eleven million, four hundred thirty-four thousand, five hundred fifty-four".