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55480630 = 255548063
BaseRepresentation
bin1101001110100…
…1000100110110
310212101201010011
43103221010312
5103200340010
65301050434
71242402052
oct323510466
9125351104
1055480630
1129354467
12166b6a1a
13b656b9a
147522c62
154d0da8a
hex34e9136

55480630 has 8 divisors (see below), whose sum is σ = 99865152. Its totient is φ = 22192248.

The previous prime is 55480609. The next prime is 55480637. The reversal of 55480630 is 3608455.

55480630 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 junction number, because it is equal to n+sod(n) for n = 55480592 and 55480601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55480637) 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, 2774022 + ... + 2774041.

It is an arithmetic number, because the mean of its divisors is an integer number (12483144).

Almost surely, 255480630 is an apocalyptic number.

55480630 is a deficient number, since it is larger than the sum of its proper divisors (44384522).

55480630 is a wasteful number, since it uses less digits than its factorization.

55480630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548070.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 55480630 is about 7448.5320701464. The cubic root of 55480630 is about 381.3998003106.

The spelling of 55480630 in words is "fifty-five million, four hundred eighty thousand, six hundred thirty".

Divisors: 1 2 5 10 5548063 11096126 27740315 55480630