55225342 has 4 divisors (see below), whose sum is σ = 82838016. Its totient is φ = 27612670.

The previous prime is 55225337. The next prime is 55225361. The reversal of 55225342 is 24352255.

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 55225342.

It is a congruent number.

It is an unprimeable number.

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, 13806334 + ... + 13806337.

It is an arithmetic number, because the mean of its divisors is an integer number (20709504).

Almost surely, 2^55225342 is an apocalyptic number.

55225342 is a deficient number, since it is larger than the sum of its proper divisors (27612674).

55225342 is a wasteful number, since it uses less digits than its factorization.

55225342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27612673.

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

The square root of 55225342 is about 7431.3755119762. The cubic root of 55225342 is about 380.8139110491.

Adding to 55225342 its reverse (24352255), we get a palindrome (79577597).

The spelling of 55225342 in words is "fifty-five million, two hundred twenty-five thousand, three hundred forty-two".