55333800 has 96 divisors (see below), whose sum is σ = 190612800. Its totient is φ = 14754240.

The previous prime is 55333783. The next prime is 55333807. The reversal of 55333800 is 833355.

55333800 is a `hidden beast` number, since 553 + 33 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55333807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277 + ... + 10523.

It is an arithmetic number, because the mean of its divisors is an integer number (1985550).

Almost surely, 2^55333800 is an apocalyptic number.

55333800 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 55333800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95306400).

55333800 is an abundant number, since it is smaller than the sum of its proper divisors (135279000).

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

55333800 is a wasteful number, since it uses less digits than its factorization.

55333800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272 (or 10257 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55333800 is about 7438.6692358244. The cubic root of 55333800 is about 381.0630436938.

The spelling of 55333800 in words is "fifty-five million, three hundred thirty-three thousand, eight hundred".