11552455 has 4 divisors (see below), whose sum is σ = 13862952. Its totient is φ = 9241960.

The previous prime is 11552449. The next prime is 11552477. The reversal of 11552455 is 55425511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11552455 - 2⁷ = 11552327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155241 + ... + 1155250.

It is an arithmetic number, because the mean of its divisors is an integer number (3465738).

Almost surely, 2^11552455 is an apocalyptic number.

11552455 is a deficient number, since it is larger than the sum of its proper divisors (2310497).

11552455 is an equidigital number, since it uses as much as digits as its factorization.

11552455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310496.

The product of its digits is 5000, while the sum is 28.

The square root of 11552455 is about 3398.8902600702. The cubic root of 11552455 is about 226.0605405983.

Adding to 11552455 its reverse (55425511), we get a palindrome (66977966).

The spelling of 11552455 in words is "eleven million, five hundred fifty-two thousand, four hundred fifty-five".