55800284 has 12 divisors (see below), whose sum is σ = 98015400. Its totient is φ = 27795888.

The previous prime is 55800271. The next prime is 55800289. The reversal of 55800284 is 48200855.

It is a super-2 number, since 2×55800284² = 6227343388961312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55800284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55800289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24854 + ... + 27005.

It is an arithmetic number, because the mean of its divisors is an integer number (8167950).

Almost surely, 2^55800284 is an apocalyptic number.

It is an amenable number.

55800284 is a deficient number, since it is larger than the sum of its proper divisors (42215116).

55800284 is a wasteful number, since it uses less digits than its factorization.

55800284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52132 (or 52130 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 55800284 is about 7469.9587682932. The cubic root of 55800284 is about 382.1308817529.

The spelling of 55800284 in words is "fifty-five million, eight hundred thousand, two hundred eighty-four".