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55202713 = 715631381
BaseRepresentation
bin1101001010010…
…1001110011001
310211212120212221
43102211032121
5103112441323
65251104041
71240133566
oct322451631
9124776787
1055202713
1129184685
12165a2021
13b58a537
14748d86d
154ca655d
hex34a5399

55202713 has 8 divisors (see below), whose sum is σ = 56120256. Its totient is φ = 54289200.

The previous prime is 55202699. The next prime is 55202717. The reversal of 55202713 is 31720255.

55202713 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 a cyclic number.

It is not a de Polignac number, because 55202713 - 213 = 55194521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55202717) 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, 39283 + ... + 40663.

It is an arithmetic number, because the mean of its divisors is an integer number (7015032).

Almost surely, 255202713 is an apocalyptic number.

It is an amenable number.

55202713 is a deficient number, since it is larger than the sum of its proper divisors (917543).

55202713 is a wasteful number, since it uses less digits than its factorization.

55202713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55202713 is about 7429.8528249219. The cubic root of 55202713 is about 380.7618901533.

Adding to 55202713 its reverse (31720255), we get a palindrome (86922968).

The spelling of 55202713 in words is "fifty-five million, two hundred two thousand, seven hundred thirteen".

Divisors: 1 71 563 1381 39973 98051 777503 55202713