53040000 has 320 divisors, whose sum is σ = 200748240. Its totient is φ = 12288000.

The previous prime is 53039993. The next prime is 53040023. The reversal of 53040000 is 4035.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3119992 + ... + 3120008.

Almost surely, 2^53040000 is an apocalyptic number.

53040000 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 53040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100374120).

53040000 is an abundant number, since it is smaller than the sum of its proper divisors (147708240).

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

53040000 is a wasteful number, since it uses less digits than its factorization.

53040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 53040000 is about 7282.8565824132. The cubic root of 53040000 is about 375.7230494139.

Adding to 53040000 its reverse (4035), we get a palindrome (53044035).

The spelling of 53040000 in words is "fifty-three million, forty thousand".