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55995205 = 571599863
BaseRepresentation
bin1101010110011…
…0101101000101
310220100211222111
43111212231011
5103313321310
65320101021
71246644220
oct325465505
9126324874
1055995205
1129676032
1216904771
13b7a7176
1476185b7
154db128a
hex3566b45

55995205 has 8 divisors (see below), whose sum is σ = 76793472. Its totient is φ = 38396688.

The previous prime is 55995193. The next prime is 55995209. The reversal of 55995205 is 50259955.

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 55995205 - 213 = 55987013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55995209) 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, 799897 + ... + 799966.

It is an arithmetic number, because the mean of its divisors is an integer number (9599184).

Almost surely, 255995205 is an apocalyptic number.

It is an amenable number.

55995205 is a deficient number, since it is larger than the sum of its proper divisors (20798267).

55995205 is a wasteful number, since it uses less digits than its factorization.

55995205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599875.

The product of its (nonzero) digits is 101250, while the sum is 40.

The square root of 55995205 is about 7482.9943872757. The cubic root of 55995205 is about 382.5753165940.

It can be divided in two parts, 5599 and 5205, that multiplied together give a triangular number (29142795 = T7634).

The spelling of 55995205 in words is "fifty-five million, nine hundred ninety-five thousand, two hundred five".

Divisors: 1 5 7 35 1599863 7999315 11199041 55995205