55011242 has 16 divisors (see below), whose sum is σ = 96943392. Its totient is φ = 23081520.

The previous prime is 55011227. The next prime is 55011277. The reversal of 55011242 is 24211055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95888 + ... + 96459.

It is an arithmetic number, because the mean of its divisors is an integer number (6058962).

Almost surely, 2^55011242 is an apocalyptic number.

55011242 is a deficient number, since it is larger than the sum of its proper divisors (41932150).

55011242 is a wasteful number, since it uses less digits than its factorization.

55011242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192373.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 55011242 is about 7416.9563838545. The cubic root of 55011242 is about 380.3211550937.

Adding to 55011242 its reverse (24211055), we get a palindrome (79222297).

The spelling of 55011242 in words is "fifty-five million, eleven thousand, two hundred forty-two".