53228700 has 324 divisors, whose sum is σ = 208392912. Its totient is φ = 11289600.

The previous prime is 53228689. The next prime is 53228713. The reversal of 53228700 is 782235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 749665 + ... + 749735.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 2^53228700 is an apocalyptic number.

53228700 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 53228700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104196456).

53228700 is an abundant number, since it is smaller than the sum of its proper divisors (155164212).

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

53228700 is a wasteful number, since it uses less digits than its factorization.

53228700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 53228700 is about 7295.8001617369. The cubic root of 53228700 is about 376.1680910576.

The spelling of 53228700 in words is "fifty-three million, two hundred twenty-eight thousand, seven hundred".