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55055514 = 23232913757
BaseRepresentation
bin1101001000000…
…1010010011010
310211121002222010
43102001102122
5103043234024
65244010350
71235651463
oct322012232
9124532863
1055055514
1129094028
12165309b6
13b538537
147451d6a
154c77b29
hex348149a

55055514 has 32 divisors (see below), whose sum is σ = 118869120. Its totient is φ = 16947392.

The previous prime is 55055479. The next prime is 55055569. The reversal of 55055514 is 41555055.

It is a super-2 number, since 2×550555142 = 6062219243608392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877 + ... + 10880.

It is an arithmetic number, because the mean of its divisors is an integer number (3714660).

Almost surely, 255055514 is an apocalyptic number.

55055514 is an abundant number, since it is smaller than the sum of its proper divisors (63813606).

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

55055514 is a wasteful number, since it uses less digits than its factorization.

55055514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 55055514 is about 7419.9402962558. The cubic root of 55055514 is about 380.4231528111.

The spelling of 55055514 in words is "fifty-five million, fifty-five thousand, five hundred fourteen".

Divisors: 1 2 3 6 23 29 46 58 69 87 138 174 667 1334 2001 4002 13757 27514 41271 82542 316411 398953 632822 797906 949233 1196859 1898466 2393718 9175919 18351838 27527757 55055514