53540000 has 60 divisors (see below), whose sum is σ = 131765634. Its totient is φ = 21408000.

The previous prime is 53539991. The next prime is 53540027. The reversal of 53540000 is 4535.

It can be written as a sum of positive squares in 5 ways, for example, as 2446096 + 51093904 = 1564^2 + 7148^2 .

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 9 ways as a sum of consecutive naturals, for example, 18662 + ... + 21338.

Almost surely, 2^53540000 is an apocalyptic number.

53540000 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 53540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65882817).

53540000 is an abundant number, since it is smaller than the sum of its proper divisors (78225634).

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

53540000 is an equidigital number, since it uses as much as digits as its factorization.

53540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 53540000 is about 7317.1032519707. The cubic root of 53540000 is about 376.8999868383.

Adding to 53540000 its reverse (4535), we get a palindrome (53544535).

The spelling of 53540000 in words is "fifty-three million, five hundred forty thousand".