53501000 has 64 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 18340800.

The previous prime is 53500999. The next prime is 53501051. The reversal of 53501000 is 10535.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3179 + ... + 10821.

It is an arithmetic number, because the mean of its divisors is an integer number (2235870).

Almost surely, 2^53501000 is an apocalyptic number.

53501000 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 53501000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71547840).

53501000 is an abundant number, since it is smaller than the sum of its proper divisors (89594680).

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

53501000 is a wasteful number, since it uses less digits than its factorization.

53501000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671 (or 7657 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 53501000 is about 7314.4377774372. The cubic root of 53501000 is about 376.8084498566.

Adding to 53501000 its reverse (10535), we get a palindrome (53511535).

The spelling of 53501000 in words is "fifty-three million, five hundred one thousand".