11255550 has 24 divisors (see below), whose sum is σ = 27914136. Its totient is φ = 3001440.

The previous prime is 11255549. The next prime is 11255561. The reversal of 11255550 is 5555211.

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 11255550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37369 + ... + 37668.

It is an arithmetic number, because the mean of its divisors is an integer number (1163089).

Almost surely, 2^11255550 is an apocalyptic number.

11255550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11255550 is an abundant number, since it is smaller than the sum of its proper divisors (16658586).

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

11255550 is a wasteful number, since it uses less digits than its factorization.

11255550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75052 (or 75047 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 11255550 is about 3354.9292093873. The cubic root of 11255550 is about 224.1070783759.

The spelling of 11255550 in words is "eleven million, two hundred fifty-five thousand, five hundred fifty".