53612532 has 72 divisors (see below), whose sum is σ = 142014600. Its totient is φ = 17031168.

The previous prime is 53612483. The next prime is 53612539. The reversal of 53612532 is 23521635.

53612532 is a `hidden beast` number, since 536 + 125 + 3 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16597476 + 37015056 = 4074^2 + 6084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53612496 and 53612505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53612539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92628 + ... + 93204.

It is an arithmetic number, because the mean of its divisors is an integer number (1972425).

Almost surely, 2^53612532 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 53612532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71007300).

53612532 is an abundant number, since it is smaller than the sum of its proper divisors (88402068).

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

53612532 is a wasteful number, since it uses less digits than its factorization.

53612532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 700 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53612532 is about 7322.0579074465. The cubic root of 53612532 is about 377.0701087053.

The spelling of 53612532 in words is "fifty-three million, six hundred twelve thousand, five hundred thirty-two".