53516000 has 96 divisors (see below), whose sum is σ = 139400352. Its totient is φ = 20121600.

The previous prime is 53515999. The next prime is 53516011. The reversal of 53516000 is 61535.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67607 + ... + 68393.

It is an arithmetic number, because the mean of its divisors is an integer number (1452087).

Almost surely, 2^53516000 is an apocalyptic number.

53516000 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 53516000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69700176).

53516000 is an abundant number, since it is smaller than the sum of its proper divisors (85884352).

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

53516000 is a wasteful number, since it uses less digits than its factorization.

53516000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 53516000 is about 7315.4630748846. The cubic root of 53516000 is about 376.8436616508.

Adding to 53516000 its reverse (61535), we get a palindrome (53577535).

The spelling of 53516000 in words is "fifty-three million, five hundred sixteen thousand".