54221800 has 24 divisors (see below), whose sum is σ = 126066150. Its totient is φ = 21688640.

The previous prime is 54221771. The next prime is 54221813. The reversal of 54221800 is 812245.

It can be written as a sum of positive squares in 3 ways, for example, as 28068804 + 26152996 = 5298^2 + 5114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135355 + ... + 135754.

Almost surely, 2^54221800 is an apocalyptic number.

54221800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54221800 is an abundant number, since it is smaller than the sum of its proper divisors (71844350).

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

54221800 is a wasteful number, since it uses less digits than its factorization.

54221800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271125 (or 271116 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 54221800 is about 7363.5453417494. The cubic root of 54221800 is about 378.4931089571.

The spelling of 54221800 in words is "fifty-four million, two hundred twenty-one thousand, eight hundred".