11552564 has 6 divisors (see below), whose sum is σ = 20216994. Its totient is φ = 5776280.

The previous prime is 11552561. The next prime is 11552581. The reversal of 11552564 is 46525511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11424400 + 128164 = 3380^2 + 358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1444067 + ... + 1444074.

It is an arithmetic number, because the mean of its divisors is an integer number (3369499).

Almost surely, 2^11552564 is an apocalyptic number.

It is an amenable number.

11552564 is a deficient number, since it is larger than the sum of its proper divisors (8664430).

11552564 is a wasteful number, since it uses less digits than its factorization.

11552564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888145 (or 2888143 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 11552564 is about 3398.9062946777. The cubic root of 11552564 is about 226.0612515733.

The spelling of 11552564 in words is "eleven million, five hundred fifty-two thousand, five hundred sixty-four".