53155300 has 108 divisors (see below), whose sum is σ = 132991488. Its totient is φ = 18392000.

The previous prime is 53155259. The next prime is 53155301. The reversal of 53155300 is 355135.

It is a happy number.

53155300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (53155301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 278205 + ... + 278395.

Almost surely, 2^53155300 is an apocalyptic number.

53155300 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 53155300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66495744).

53155300 is an abundant number, since it is smaller than the sum of its proper divisors (79836188).

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

53155300 is a wasteful number, since it uses less digits than its factorization.

53155300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 53155300 is about 7290.7681351144. The cubic root of 53155300 is about 375.9951051875.

The spelling of 53155300 in words is "fifty-three million, one hundred fifty-five thousand, three hundred".