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53355207 = 345738917
BaseRepresentation
bin1100101110001…
…0001011000111
310201101201120210
43023202023013
5102124331312
65143330503
71215340353
oct313421307
9121351523
1053355207
1128132614
1215a50a33
13b091639
14712c463
154a3de3c
hex32e22c7

53355207 has 8 divisors (see below), whose sum is σ = 71297776. Its totient is φ = 35491392.

The previous prime is 53355187. The next prime is 53355223. The reversal of 53355207 is 70255335.

53355207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53355207 - 26 = 53355143 is a prime.

It is a super-2 number, since 2×533552072 = 5693556228025698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53350207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18088 + ... + 20829.

It is an arithmetic number, because the mean of its divisors is an integer number (8912222).

Almost surely, 253355207 is an apocalyptic number.

53355207 is a deficient number, since it is larger than the sum of its proper divisors (17942569).

53355207 is a wasteful number, since it uses less digits than its factorization.

53355207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39377.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 53355207 is about 7304.4648674629. The cubic root of 53355207 is about 376.4658642900.

The spelling of 53355207 in words is "fifty-three million, three hundred fifty-five thousand, two hundred seven".

Divisors: 1 3 457 1371 38917 116751 17785069 53355207