55243542 has 8 divisors (see below), whose sum is σ = 110487096. Its totient is φ = 18414512.

The previous prime is 55243541. The next prime is 55243597. The reversal of 55243542 is 24534255.

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

55243542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55243541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4603623 + ... + 4603634.

It is an arithmetic number, because the mean of its divisors is an integer number (13810887).

Almost surely, 2^55243542 is an apocalyptic number.

55243542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55243542 is a wasteful number, since it uses less digits than its factorization.

55243542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207262.

The product of its digits is 24000, while the sum is 30.

The square root of 55243542 is about 7432.5999488739. The cubic root of 55243542 is about 380.8557399855.

Adding to 55243542 its reverse (24534255), we get a palindrome (79777797).

The spelling of 55243542 in words is "fifty-five million, two hundred forty-three thousand, five hundred forty-two".