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53116911 = 334345751
BaseRepresentation
bin1100101010011…
…1111111101111
310200221121201000
43022213333233
5102044220121
65134251343
71213325541
oct312477757
9120847630
1053116911
1127a8a581
1215956b53
13b00a033
1470a9691
1549e3526
hex32a7fef

53116911 has 16 divisors (see below), whose sum is σ = 80523520. Its totient is φ = 34587000.

The previous prime is 53116901. The next prime is 53116937. The reversal of 53116911 is 11961135.

It is not a de Polignac number, because 53116911 - 25 = 53116879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53116901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21715 + ... + 24036.

It is an arithmetic number, because the mean of its divisors is an integer number (5032720).

Almost surely, 253116911 is an apocalyptic number.

53116911 is a deficient number, since it is larger than the sum of its proper divisors (27406609).

53116911 is a wasteful number, since it uses less digits than its factorization.

53116911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45803 (or 45797 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 53116911 is about 7288.1349466101. The cubic root of 53116911 is about 375.9045682622.

It can be divided in two parts, 53 and 116911, that added together give a square (116964 = 3422).

The spelling of 53116911 in words is "fifty-three million, one hundred sixteen thousand, nine hundred eleven".

Divisors: 1 3 9 27 43 129 387 1161 45751 137253 411759 1235277 1967293 5901879 17705637 53116911