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55251214 = 2179154333
BaseRepresentation
bin1101001011000…
…1000100001110
310211222001102021
43102301010032
5103121014324
65252120354
71240425154
oct322610416
9124861367
1055251214
1129208067
12166060ba
13b5a6635
1474a33d4
154cb5ae4
hex34b110e

55251214 has 8 divisors (see below), whose sum is σ = 83340360. Its totient is φ = 27471096.

The previous prime is 55251193. The next prime is 55251227. The reversal of 55251214 is 41215255.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76809 + ... + 77524.

It is an arithmetic number, because the mean of its divisors is an integer number (10417545).

Almost surely, 255251214 is an apocalyptic number.

55251214 is a deficient number, since it is larger than the sum of its proper divisors (28089146).

55251214 is a wasteful number, since it uses less digits than its factorization.

55251214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154514.

The product of its digits is 2000, while the sum is 25.

The square root of 55251214 is about 7433.1160356879. The cubic root of 55251214 is about 380.8733697384.

Adding to 55251214 its reverse (41215255), we get a palindrome (96466469).

The spelling of 55251214 in words is "fifty-five million, two hundred fifty-one thousand, two hundred fourteen".

Divisors: 1 2 179 358 154333 308666 27625607 55251214