55519200 has 216 divisors, whose sum is σ = 213876936. Its totient is φ = 13440000.

The previous prime is 55519199. The next prime is 55519237. The reversal of 55519200 is 291555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78850 + ... + 79550.

It is an arithmetic number, because the mean of its divisors is an integer number (990171).

Almost surely, 2^55519200 is an apocalyptic number.

55519200 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 55519200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106938468).

55519200 is an abundant number, since it is smaller than the sum of its proper divisors (158357736).

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

55519200 is a wasteful number, since it uses less digits than its factorization.

55519200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 55519200 is about 7451.1207210728. The cubic root of 55519200 is about 381.4881625774.

The spelling of 55519200 in words is "fifty-five million, five hundred nineteen thousand, two hundred".