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53052361 = 87760493
BaseRepresentation
bin1100101001100…
…0001111001001
310200211100011021
43022120033021
5102040133421
65133032441
71212636415
oct312301711
9120740137
1053052361
1127a4602a
1215925721
13acb683b
14708dd45
1549ce341
hex32983c9

53052361 has 4 divisors (see below), whose sum is σ = 53113732. Its totient is φ = 52990992.

The previous prime is 53052347. The next prime is 53052383. The reversal of 53052361 is 16325035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16325035 = 53265007.

It can be written as a sum of positive squares in 2 ways, for example, as 46498761 + 6553600 = 6819^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 53052361 - 213 = 53044169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53052061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29370 + ... + 31123.

It is an arithmetic number, because the mean of its divisors is an integer number (13278433).

Almost surely, 253052361 is an apocalyptic number.

It is an amenable number.

53052361 is a deficient number, since it is larger than the sum of its proper divisors (61371).

53052361 is an equidigital number, since it uses as much as digits as its factorization.

53052361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61370.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53052361 is about 7283.7051697608. The cubic root of 53052361 is about 375.7522346318.

Adding to 53052361 its reverse (16325035), we get a palindrome (69377396).

The spelling of 53052361 in words is "fifty-three million, fifty-two thousand, three hundred sixty-one".

Divisors: 1 877 60493 53052361