55007242 has 8 divisors (see below), whose sum is σ = 86853600. Its totient is φ = 26056044.

The previous prime is 55007233. The next prime is 55007279. The reversal of 55007242 is 24270055.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 723742 + ... + 723817.

It is an arithmetic number, because the mean of its divisors is an integer number (10856700).

Almost surely, 2^55007242 is an apocalyptic number.

55007242 is a deficient number, since it is larger than the sum of its proper divisors (31846358).

55007242 is a wasteful number, since it uses less digits than its factorization.

55007242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447580.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 55007242 is about 7416.6867265646. The cubic root of 55007242 is about 380.3119368477.

Adding to 55007242 its reverse (24270055), we get a palindrome (79277297).

The spelling of 55007242 in words is "fifty-five million, seven thousand, two hundred forty-two".