53424520 has 32 divisors (see below), whose sum is σ = 121095000. Its totient is φ = 21211648.

The previous prime is 53424509. The next prime is 53424529. The reversal of 53424520 is 2542435.

It can be written as a sum of positive squares in 4 ways, for example, as 35497764 + 17926756 = 5958^2 + 4234^2 .

It is not an unprimeable number, because it can be changed into a prime (53424529) 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, 606 + ... + 10354.

Almost surely, 2^53424520 is an apocalyptic number.

It is an amenable number.

53424520 is an abundant number, since it is smaller than the sum of its proper divisors (67670480).

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

53424520 is a wasteful number, since it uses less digits than its factorization.

53424520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9897 (or 9893 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 53424520 is about 7309.2078914202. The cubic root of 53424520 is about 376.6288142538.

Adding to 53424520 its reverse (2542435), we get a palindrome (55966955).

The spelling of 53424520 in words is "fifty-three million, four hundred twenty-four thousand, five hundred twenty".