55303242 has 8 divisors (see below), whose sum is σ = 110606496. Its totient is φ = 18434412.

The previous prime is 55303231. The next prime is 55303253. The reversal of 55303242 is 24230355.

It is an interprime number because it is at equal distance from previous prime (55303231) and next prime (55303253).

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

55303242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4608598 + ... + 4608609.

It is an arithmetic number, because the mean of its divisors is an integer number (13825812).

Almost surely, 2^55303242 is an apocalyptic number.

55303242 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.

55303242 is a wasteful number, since it uses less digits than its factorization.

55303242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9217212.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 55303242 is about 7436.6149557443. The cubic root of 55303242 is about 380.9928836306.

Adding to 55303242 its reverse (24230355), we get a palindrome (79533597).

The spelling of 55303242 in words is "fifty-five million, three hundred three thousand, two hundred forty-two".