53240500 has 48 divisors (see below), whose sum is σ = 117031824. Its totient is φ = 21158400.

The previous prime is 53240483. The next prime is 53240501. The reversal of 53240500 is 504235.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15023376 + 38217124 = 3876^2 + 6182^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116272 + ... + 116728.

It is an arithmetic number, because the mean of its divisors is an integer number (2438163).

Almost surely, 2^53240500 is an apocalyptic number.

53240500 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 53240500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58515912).

53240500 is an abundant number, since it is smaller than the sum of its proper divisors (63791324).

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

53240500 is a wasteful number, since it uses less digits than its factorization.

53240500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 53240500 is about 7296.6088013542. The cubic root of 53240500 is about 376.1958859346.

Adding to 53240500 its reverse (504235), we get a palindrome (53744735).

The spelling of 53240500 in words is "fifty-three million, two hundred forty thousand, five hundred".