11640054 has 16 divisors (see below), whose sum is σ = 23316480. Its totient is φ = 3873960.

The previous prime is 11640007. The next prime is 11640061. The reversal of 11640054 is 45004611.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11640054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4459 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (1457280).

Almost surely, 2^11640054 is an apocalyptic number.

11640054 is an abundant number, since it is smaller than the sum of its proper divisors (11676426).

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

11640054 is a wasteful number, since it uses less digits than its factorization.

11640054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11640054 is about 3411.7523356774. The cubic root of 11640054 is about 226.6304868244.

Adding to 11640054 its reverse (45004611), we get a palindrome (56644665).

The spelling of 11640054 in words is "eleven million, six hundred forty thousand, fifty-four".