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55972214 = 2191472953
BaseRepresentation
bin1101010110000…
…1000101110110
310220022200102222
43111201011312
5103312102324
65315402342
71246520204
oct325410566
9126280388
1055972214
112965a831
12168b33b2
13b79986c
147610074
154da955e
hex3561176

55972214 has 8 divisors (see below), whose sum is σ = 88377240. Its totient is φ = 26513136.

The previous prime is 55972199. The next prime is 55972219. The reversal of 55972214 is 41227955.

55972214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55972219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736439 + ... + 736514.

It is an arithmetic number, because the mean of its divisors is an integer number (11047155).

Almost surely, 255972214 is an apocalyptic number.

55972214 is a deficient number, since it is larger than the sum of its proper divisors (32405026).

55972214 is a wasteful number, since it uses less digits than its factorization.

55972214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472974.

The product of its digits is 25200, while the sum is 35.

The square root of 55972214 is about 7481.4580129812. The cubic root of 55972214 is about 382.5229490553.

The spelling of 55972214 in words is "fifty-five million, nine hundred seventy-two thousand, two hundred fourteen".

Divisors: 1 2 19 38 1472953 2945906 27986107 55972214