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55560190 = 257793717
BaseRepresentation
bin1101001111110…
…0011111111110
310212112202020211
43103330133332
5103210411230
65302503034
71243153030
oct323743776
9125482224
1055560190
11293a9214
1216734a7a
13b68416a
147543c50
154d2742a
hex34fc7fe

55560190 has 16 divisors (see below), whose sum is σ = 114295392. Its totient is φ = 19049184.

The previous prime is 55560187. The next prime is 55560191. The reversal of 55560190 is 9106555.

It is a happy number.

It is a super-2 number, since 2×555601902 = 6173869425672200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55560191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396789 + ... + 396928.

It is an arithmetic number, because the mean of its divisors is an integer number (7143462).

Almost surely, 255560190 is an apocalyptic number.

55560190 is an abundant number, since it is smaller than the sum of its proper divisors (58735202).

55560190 is a wasteful number, since it uses less digits than its factorization.

55560190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793731.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 55560190 is about 7453.8708065005. The cubic root of 55560190 is about 381.5820241185.

The spelling of 55560190 in words is "fifty-five million, five hundred sixty thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 793717 1587434 3968585 5556019 7937170 11112038 27780095 55560190