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53568831 = 319790641
BaseRepresentation
bin1100110001011…
…0010100111111
310201210120121210
43030112110333
5102203200311
65152055503
71220220231
oct314262477
9121716553
1053568831
1128269068
1215b34593
13b137944
147186251
154a823a6
hex331653f

53568831 has 8 divisors (see below), whose sum is σ = 71788464. Its totient is φ = 35530880.

The previous prime is 53568803. The next prime is 53568839. The reversal of 53568831 is 13886535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53568831 - 27 = 53568703 is a prime.

It is a super-2 number, since 2×535688312 = 5739239309413122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53568831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53568839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44730 + ... + 45911.

It is an arithmetic number, because the mean of its divisors is an integer number (8973558).

Almost surely, 253568831 is an apocalyptic number.

53568831 is a deficient number, since it is larger than the sum of its proper divisors (18219633).

53568831 is a wasteful number, since it uses less digits than its factorization.

53568831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90841.

The product of its digits is 86400, while the sum is 39.

The square root of 53568831 is about 7319.0730970527. The cubic root of 53568831 is about 376.9676275655.

The spelling of 53568831 in words is "fifty-three million, five hundred sixty-eight thousand, eight hundred thirty-one".

Divisors: 1 3 197 591 90641 271923 17856277 53568831