55928200 has 24 divisors (see below), whose sum is σ = 130033530. Its totient is φ = 22371200.

The previous prime is 55928143. The next prime is 55928207. The reversal of 55928200 is 282955.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 27604516 + 28323684 = 5254^2 + 5322^2 .

It is not an unprimeable number, because it can be changed into a prime (55928207) 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, 139621 + ... + 140020.

Almost surely, 2^55928200 is an apocalyptic number.

55928200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55928200 is an abundant number, since it is smaller than the sum of its proper divisors (74105330).

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

55928200 is a wasteful number, since it uses less digits than its factorization.

55928200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279657 (or 279648 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 55928200 is about 7478.5158955504. The cubic root of 55928200 is about 382.4226565534.

The spelling of 55928200 in words is "fifty-five million, nine hundred twenty-eight thousand, two hundred".