11552445 has 12 divisors (see below), whose sum is σ = 20024316. Its totient is φ = 6161280.

The previous prime is 11552413. The next prime is 11552449. The reversal of 11552445 is 54425511.

11552445 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 9400356 = 1467^2 + 3066^2 .

It is not a de Polignac number, because 11552445 - 2⁵ = 11552413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128316 + ... + 128405.

It is an arithmetic number, because the mean of its divisors is an integer number (1668693).

Almost surely, 2^11552445 is an apocalyptic number.

11552445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11552445 is a deficient number, since it is larger than the sum of its proper divisors (8471871).

11552445 is a wasteful number, since it uses less digits than its factorization.

11552445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256732 (or 256729 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 11552445 is about 3398.8887890015. Note that the first 3 decimals coincide. The cubic root of 11552445 is about 226.0604753710.

Adding to 11552445 its reverse (54425511), we get a palindrome (65977956).

It can be divided in two parts, 1155 and 2445, that added together give a square (3600 = 60²).

The spelling of 11552445 in words is "eleven million, five hundred fifty-two thousand, four hundred forty-five".