53124320 has 48 divisors (see below), whose sum is σ = 132895728. Its totient is φ = 19998720.

The previous prime is 53124301. The next prime is 53124329. The reversal of 53124320 is 2342135.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 53124292 and 53124301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53124329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7046 + ... + 12485.

It is an arithmetic number, because the mean of its divisors is an integer number (2768661).

Almost surely, 2^53124320 is an apocalyptic number.

It is an amenable number.

53124320 is an abundant number, since it is smaller than the sum of its proper divisors (79771408).

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

53124320 is a wasteful number, since it uses less digits than its factorization.

53124320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19563 (or 19555 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53124320 is about 7288.6432207922. The cubic root of 53124320 is about 375.9220451035.

Adding to 53124320 its reverse (2342135), we get a palindrome (55466455).

The spelling of 53124320 in words is "fifty-three million, one hundred twenty-four thousand, three hundred twenty".