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550550071 = 6152317257
BaseRepresentation
bin100000110100001…
…011101000110111
31102100221211201101
4200310023220313
52111420100241
6130344110531
716433412151
oct4064135067
91370854641
10550550071
11262853465
12134465447
138a0a3996
1453193ad1
1533500e31
hex20d0ba37

550550071 has 8 divisors (see below), whose sum is σ = 560677904. Its totient is φ = 540457920.

The previous prime is 550550041. The next prime is 550550081. The reversal of 550550071 is 170055055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550550071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550041) 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, 23275 + ... + 40531.

It is an arithmetic number, because the mean of its divisors is an integer number (70084738).

Almost surely, 2550550071 is an apocalyptic number.

550550071 is a deficient number, since it is larger than the sum of its proper divisors (10127833).

550550071 is a wasteful number, since it uses less digits than its factorization.

550550071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17841.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 550550071 is about 23463.8034214404. The cubic root of 550550071 is about 819.5943219378.

The spelling of 550550071 in words is "five hundred fifty million, five hundred fifty thousand, seventy-one".

Divisors: 1 61 523 17257 31903 1052677 9025411 550550071