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53168857 = 766111491
BaseRepresentation
bin1100101011010…
…0101011011001
310201001020221221
43022310223121
5102102400412
65135332041
71213633150
oct312645331
9121036857
1053168857
1128015605
1215981021
13b027881
1470c0597
154a03b07
hex32b4ad9

53168857 has 8 divisors (see below), whose sum is σ = 60861632. Its totient is φ = 45500400.

The previous prime is 53168849. The next prime is 53168879. The reversal of 53168857 is 75886135.

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 53168857 - 23 = 53168849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53168957) 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, 1119 + ... + 10372.

It is an arithmetic number, because the mean of its divisors is an integer number (7607704).

Almost surely, 253168857 is an apocalyptic number.

It is an amenable number.

53168857 is a deficient number, since it is larger than the sum of its proper divisors (7692775).

53168857 is a wasteful number, since it uses less digits than its factorization.

53168857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12159.

The product of its digits is 201600, while the sum is 43.

The square root of 53168857 is about 7291.6978132668. The cubic root of 53168857 is about 376.0270677096.

The spelling of 53168857 in words is "fifty-three million, one hundred sixty-eight thousand, eight hundred fifty-seven".

Divisors: 1 7 661 4627 11491 80437 7595551 53168857