55347900 has 108 divisors (see below), whose sum is σ = 165973752. Its totient is φ = 14235520.

The previous prime is 55347871. The next prime is 55347917. The reversal of 55347900 is 974355.

55347900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 938071 + ... + 938129.

It is an arithmetic number, because the mean of its divisors is an integer number (1536794).

Almost surely, 2^55347900 is an apocalyptic number.

55347900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55347900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82986876).

55347900 is an abundant number, since it is smaller than the sum of its proper divisors (110625852).

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

55347900 is a wasteful number, since it uses less digits than its factorization.

55347900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 55347900 is about 7439.6169256219. The cubic root of 55347900 is about 381.0954080750.

The spelling of 55347900 in words is "fifty-five million, three hundred forty-seven thousand, nine hundred".