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55023351 = 318341117
BaseRepresentation
bin1101000111100…
…1011011110111
310211112110211220
43101321123313
5103041221401
65243201423
71235455635
oct321713367
9124473756
1055023351
1129071949
1216516273
13b5269c6
147444355
154c6d336
hex34796f7

55023351 has 4 divisors (see below), whose sum is σ = 73364472. Its totient is φ = 36682232.

The previous prime is 55023313. The next prime is 55023377. The reversal of 55023351 is 15332055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55023351 - 29 = 55022839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55023391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9170556 + ... + 9170561.

It is an arithmetic number, because the mean of its divisors is an integer number (18341118).

Almost surely, 255023351 is an apocalyptic number.

55023351 is a deficient number, since it is larger than the sum of its proper divisors (18341121).

55023351 is a wasteful number, since it uses less digits than its factorization.

55023351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341120.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55023351 is about 7417.7726441298. The cubic root of 55023351 is about 380.3490583055.

The spelling of 55023351 in words is "fifty-five million, twenty-three thousand, three hundred fifty-one".

Divisors: 1 3 18341117 55023351