53065332 has 18 divisors (see below), whose sum is σ = 134137458. Its totient is φ = 17688432.

The previous prime is 53065297. The next prime is 53065333. The reversal of 53065332 is 23356035.

53065332 is a `hidden beast` number, since 5 + 3 + 0 + 653 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32216976 + 20848356 = 5676^2 + 4566^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 53065296 and 53065305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53065333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 736983 + ... + 737054.

It is an arithmetic number, because the mean of its divisors is an integer number (7452081).

Almost surely, 2^53065332 is an apocalyptic number.

It is an amenable number.

53065332 is an abundant number, since it is smaller than the sum of its proper divisors (81072126).

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

53065332 is a wasteful number, since it uses less digits than its factorization.

53065332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474047 (or 1474042 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 53065332 is about 7284.5955275499. The cubic root of 53065332 is about 375.7828552299.

The spelling of 53065332 in words is "fifty-three million, sixty-five thousand, three hundred thirty-two".