11550455 has 16 divisors (see below), whose sum is σ = 15896064. Its totient is φ = 7892640.

The previous prime is 11550437. The next prime is 11550467. The reversal of 11550455 is 55405511.

It is a de Polignac number, because none of the positive numbers 2^k-11550455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17990 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (993504).

Almost surely, 2^11550455 is an apocalyptic number.

11550455 is a deficient number, since it is larger than the sum of its proper divisors (4345609).

11550455 is an equidigital number, since it uses as much as digits as its factorization.

11550455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 11550455 is about 3398.5960336586. The cubic root of 11550455 is about 226.0474943908.

Adding to 11550455 its reverse (55405511), we get a palindrome (66955966).

The spelling of 11550455 in words is "eleven million, five hundred fifty thousand, four hundred fifty-five".