11550542 has 4 divisors (see below), whose sum is σ = 17325816. Its totient is φ = 5775270.

The previous prime is 11550541. The next prime is 11550551. The reversal of 11550542 is 24505511.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2887634 + ... + 2887637.

It is an arithmetic number, because the mean of its divisors is an integer number (4331454).

Almost surely, 2^11550542 is an apocalyptic number.

11550542 is a deficient number, since it is larger than the sum of its proper divisors (5775274).

11550542 is an equidigital number, since it uses as much as digits as its factorization.

11550542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775273.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 11550542 is about 3398.6088330374. The cubic root of 11550542 is about 226.0480619322.

The spelling of 11550542 in words is "eleven million, five hundred fifty thousand, five hundred forty-two".