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55490060 = 2252774503
BaseRepresentation
bin1101001110101…
…1011000001100
310212102012001102
43103223120030
5103201140220
65301202232
71242441413
oct323533014
9125365042
1055490060
112936055a
1216700378
13b65b272
14752647a
154d11775
hex34eb60c

55490060 has 12 divisors (see below), whose sum is σ = 116529168. Its totient is φ = 22196016.

The previous prime is 55490041. The next prime is 55490063. The reversal of 55490060 is 6009455.

55490060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55490063) 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, 1387232 + ... + 1387271.

It is an arithmetic number, because the mean of its divisors is an integer number (9710764).

Almost surely, 255490060 is an apocalyptic number.

It is an amenable number.

55490060 is an abundant number, since it is smaller than the sum of its proper divisors (61039108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55490060 is a wasteful number, since it uses less digits than its factorization.

55490060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774512 (or 2774510 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 55490060 is about 7449.1650538836. The cubic root of 55490060 is about 381.4214078300.

The spelling of 55490060 in words is "fifty-five million, four hundred ninety thousand, sixty".

Divisors: 1 2 4 5 10 20 2774503 5549006 11098012 13872515 27745030 55490060