53562240 has 192 divisors, whose sum is σ = 196194960. Its totient is φ = 13418496.

The previous prime is 53562233. The next prime is 53562251. The reversal of 53562240 is 4226535.

53562240 is a `hidden beast` number, since 5 + 35 + 622 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97647 + ... + 98193.

Almost surely, 2^53562240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53562240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98097480).

53562240 is an abundant number, since it is smaller than the sum of its proper divisors (142632720).

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

53562240 is a wasteful number, since it uses less digits than its factorization.

53562240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 53562240 is about 7318.6228212690. The cubic root of 53562240 is about 376.9521664880.

Adding to 53562240 its reverse (4226535), we get a palindrome (57788775).

The spelling of 53562240 in words is "fifty-three million, five hundred sixty-two thousand, two hundred forty".