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55930443 = 3170910909
BaseRepresentation
bin1101010101011…
…0111001001011
310220020120010220
43111112321023
5103304233233
65314441123
71246254342
oct325267113
9126216126
1055930443
1129631408
12168931a3
13b78384a
1475dcb59
154d9beb3
hex3556e4b

55930443 has 8 divisors (see below), whose sum is σ = 74624400. Its totient is φ = 37261728.

The previous prime is 55930429. The next prime is 55930481. The reversal of 55930443 is 34403955.

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

It is not a de Polignac number, because 55930443 - 29 = 55929931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55930943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (9328050).

Almost surely, 255930443 is an apocalyptic number.

55930443 is a deficient number, since it is larger than the sum of its proper divisors (18693957).

55930443 is a wasteful number, since it uses less digits than its factorization.

55930443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 55930443 is about 7478.6658569560. The cubic root of 55930443 is about 382.4277688376.

The spelling of 55930443 in words is "fifty-five million, nine hundred thirty thousand, four hundred forty-three".

Divisors: 1 3 1709 5127 10909 32727 18643481 55930443