55240302 has 32 divisors (see below), whose sum is σ = 123086880. Its totient is φ = 16410240.

The previous prime is 55240291. The next prime is 55240303. The reversal of 55240302 is 20304255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55240303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9949 + ... + 14472.

It is an arithmetic number, because the mean of its divisors is an integer number (3846465).

Almost surely, 2^55240302 is an apocalyptic number.

55240302 is an abundant number, since it is smaller than the sum of its proper divisors (67846578).

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

55240302 is a wasteful number, since it uses less digits than its factorization.

55240302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24468.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 55240302 is about 7432.3819869541. The cubic root of 55240302 is about 380.8482941877.

Adding to 55240302 its reverse (20304255), we get a palindrome (75544557).

The spelling of 55240302 in words is "fifty-five million, two hundred forty thousand, three hundred two".