55240300 has 18 divisors (see below), whose sum is σ = 119871668. Its totient is φ = 22096080.

The previous prime is 55240291. The next prime is 55240303. The reversal of 55240300 is 304255.

It is a happy 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 5 ways as a sum of consecutive naturals, for example, 276102 + ... + 276301.

Almost surely, 2^55240300 is an apocalyptic number.

55240300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55240300 is an abundant number, since it is smaller than the sum of its proper divisors (64631368).

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

55240300 is a wasteful number, since it uses less digits than its factorization.

55240300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552417 (or 552410 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55240300 is about 7432.3818524077. The cubic root of 55240300 is about 380.8482895914.

Adding to 55240300 its reverse (304255), we get a palindrome (55544555).

The spelling of 55240300 in words is "fifty-five million, two hundred forty thousand, three hundred".