11573055 has 48 divisors (see below), whose sum is σ = 21979776. Its totient is φ = 5598720.

The previous prime is 11573047. The next prime is 11573077. The reversal of 11573055 is 55037511.

It is not a de Polignac number, because 11573055 - 2³ = 11573047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42570 + ... + 42840.

It is an arithmetic number, because the mean of its divisors is an integer number (457912).

Almost surely, 2^11573055 is an apocalyptic number.

11573055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11573055 is a deficient number, since it is larger than the sum of its proper divisors (10406721).

11573055 is a wasteful number, since it uses less digits than its factorization.

11573055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 11573055 is about 3401.9193112124. The cubic root of 11573055 is about 226.1948289924.

The spelling of 11573055 in words is "eleven million, five hundred seventy-three thousand, fifty-five".