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53166817 = 1137130631
BaseRepresentation
bin1100101011010…
…0001011100001
310201001011011101
43022310023201
5102102314232
65135314401
71213624204
oct312641341
9121034141
1053166817
1128014020
121597ba01
13b026972
1470bd93b
154a031e7
hex32b42e1

53166817 has 8 divisors (see below), whose sum is σ = 59568192. Its totient is φ = 47026800.

The previous prime is 53166809. The next prime is 53166833. The reversal of 53166817 is 71866135.

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 53166817 - 23 = 53166809 is a prime.

It is a super-2 number, since 2×531668172 = 5653420859822978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53166857) 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, 64909 + ... + 65722.

It is an arithmetic number, because the mean of its divisors is an integer number (7446024).

Almost surely, 253166817 is an apocalyptic number.

It is an amenable number.

53166817 is a deficient number, since it is larger than the sum of its proper divisors (6401375).

53166817 is a wasteful number, since it uses less digits than its factorization.

53166817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130679.

The product of its digits is 30240, while the sum is 37.

The square root of 53166817 is about 7291.5579268082. The cubic root of 53166817 is about 376.0222584718.

The spelling of 53166817 in words is "fifty-three million, one hundred sixty-six thousand, eight hundred seventeen".

Divisors: 1 11 37 407 130631 1436941 4833347 53166817