55278238300 has 36 divisors (see below), whose sum is σ = 120455727840. Its totient is φ = 22018769920.

The previous prime is 55278238277. The next prime is 55278238303. The reversal of 55278238300 is 383287255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55278238303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1132549 + ... + 1180348.

It is an arithmetic number, because the mean of its divisors is an integer number (3345992440).

Almost surely, 2^55278238300 is an apocalyptic number.

55278238300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55278238300 is an abundant number, since it is smaller than the sum of its proper divisors (65177489540).

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

55278238300 is a wasteful number, since it uses less digits than its factorization.

55278238300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313150 (or 2313143 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 55278238300 in words is "fifty-five billion, two hundred seventy-eight million, two hundred thirty-eight thousand, three hundred".