53566524 has 144 divisors (see below), whose sum is σ = 159999840. Its totient is φ = 14929920.

The previous prime is 53566501. The next prime is 53566531. The reversal of 53566524 is 42566535.

It is a happy number.

53566524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491382 + ... + 491490.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110).

Almost surely, 2^53566524 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 53566524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79999920).

53566524 is an abundant number, since it is smaller than the sum of its proper divisors (106433316).

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

53566524 is a wasteful number, since it uses less digits than its factorization.

53566524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 215 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 53566524 is about 7318.9154934321. The cubic root of 53566524 is about 376.9622159808.

The spelling of 53566524 in words is "fifty-three million, five hundred sixty-six thousand, five hundred twenty-four".