55504342 has 4 divisors (see below), whose sum is σ = 83256516. Its totient is φ = 27752170.

The previous prime is 55504297. The next prime is 55504343. The reversal of 55504342 is 24340555.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55504342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55504343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876084 + ... + 13876087.

It is an arithmetic number, because the mean of its divisors is an integer number (20814129).

Almost surely, 2^55504342 is an apocalyptic number.

55504342 is a deficient number, since it is larger than the sum of its proper divisors (27752174).

55504342 is a wasteful number, since it uses less digits than its factorization.

55504342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27752173.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 55504342 is about 7450.1236231354. The cubic root of 55504342 is about 381.4541283644.

Adding to 55504342 its reverse (24340555), we get a palindrome (79844897).

The spelling of 55504342 in words is "fifty-five million, five hundred four thousand, three hundred forty-two".