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53035540 = 2252651777
BaseRepresentation
bin1100101001010…
…0001000010100
310200210111002021
43022110020110
5102034114130
65132422524
71212536365
oct312241024
9120714067
1053035540
1127a34428
1215917a44
13acabc9c
147087b6c
1549c937a
hex3294214

53035540 has 12 divisors (see below), whose sum is σ = 111374676. Its totient is φ = 21214208.

The previous prime is 53035523. The next prime is 53035553. The reversal of 53035540 is 4553035.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34269316 + 18766224 = 5854^2 + 4332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325869 + ... + 1325908.

It is an arithmetic number, because the mean of its divisors is an integer number (9281223).

Almost surely, 253035540 is an apocalyptic number.

It is an amenable number.

53035540 is an abundant number, since it is smaller than the sum of its proper divisors (58339136).

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

53035540 is a wasteful number, since it uses less digits than its factorization.

53035540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651786 (or 2651784 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53035540 is about 7282.5503774433. The cubic root of 53035540 is about 375.7125179171.

Adding to 53035540 its reverse (4553035), we get a palindrome (57588575).

The spelling of 53035540 in words is "fifty-three million, thirty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2651777 5303554 10607108 13258885 26517770 53035540