53502000 has 160 divisors (see below), whose sum is σ = 177887424. Its totient is φ = 13824000.

The previous prime is 53501993. The next prime is 53502041. The reversal of 53502000 is 20535.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221880 + ... + 222120.

Almost surely, 2^53502000 is an apocalyptic number.

53502000 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 53502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88943712).

53502000 is an abundant number, since it is smaller than the sum of its proper divisors (124385424).

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

53502000 is a wasteful number, since it uses less digits than its factorization.

53502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 53502000 is about 7314.5061350716. The cubic root of 53502000 is about 376.8107975143.

Adding to 53502000 its reverse (20535), we get a palindrome (53522535).

The spelling of 53502000 in words is "fifty-three million, five hundred two thousand".