53415500 has 48 divisors (see below), whose sum is σ = 119193984. Its totient is φ = 20902400.

The previous prime is 53415463. The next prime is 53415529. The reversal of 53415500 is 551435.

53415500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22364 + ... + 24636.

It is an arithmetic number, because the mean of its divisors is an integer number (2483208).

Almost surely, 2^53415500 is an apocalyptic number.

53415500 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 53415500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59596992).

53415500 is an abundant number, since it is smaller than the sum of its proper divisors (65778484).

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

53415500 is a wasteful number, since it uses less digits than its factorization.

53415500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 53415500 is about 7308.5908354484. The cubic root of 53415500 is about 376.6076168516.

Adding to 53415500 its reverse (551435), we get a palindrome (53966935).

The spelling of 53415500 in words is "fifty-three million, four hundred fifteen thousand, five hundred".