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55191714 = 2310984391
BaseRepresentation
bin1101001010001…
…0100010100010
310211212000210120
43102202202202
5103112113324
65250541110
71240056534
oct322424242
9124760716
1055191714
1129177396
1216597796
13b585526
147489854
154ca3179
hex34a28a2

55191714 has 16 divisors (see below), whose sum is σ = 111397440. Its totient is φ = 18228240.

The previous prime is 55191649. The next prime is 55191737. The reversal of 55191714 is 41719155.

It is a super-2 number, since 2×551917142 = 6092250588515592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41542 + ... + 42849.

It is an arithmetic number, because the mean of its divisors is an integer number (6962340).

Almost surely, 255191714 is an apocalyptic number.

55191714 is an abundant number, since it is smaller than the sum of its proper divisors (56205726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55191714 is a wasteful number, since it uses less digits than its factorization.

55191714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84505.

The product of its digits is 6300, while the sum is 33.

The square root of 55191714 is about 7429.1125984198. The cubic root of 55191714 is about 380.7365998612.

The spelling of 55191714 in words is "fifty-five million, one hundred ninety-one thousand, seven hundred fourteen".

Divisors: 1 2 3 6 109 218 327 654 84391 168782 253173 506346 9198619 18397238 27595857 55191714