53066500 has 48 divisors (see below), whose sum is σ = 116678016. Its totient is φ = 21084000.

The previous prime is 53066483. The next prime is 53066501. The reversal of 53066500 is 566035.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (53066501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105249 + ... + 105751.

It is an arithmetic number, because the mean of its divisors is an integer number (2430792).

Almost surely, 2^53066500 is an apocalyptic number.

53066500 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 53066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58339008).

53066500 is an abundant number, since it is smaller than the sum of its proper divisors (63611516).

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

53066500 is a wasteful number, since it uses less digits than its factorization.

53066500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53066500 is about 7284.6756962819. The cubic root of 53066500 is about 375.7856122789.

The spelling of 53066500 in words is "fifty-three million, sixty-six thousand, five hundred".