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55584057 = 3112916411
BaseRepresentation
bin1101010000001…
…0010100111001
310212120221222210
43110002110321
5103212142212
65303205333
71243312434
oct324022471
9125527883
1055584057
1129415141
1216746849
13b691c99
14754c81b
154d2e53c
hex3502539

55584057 has 8 divisors (see below), whose sum is σ = 74182240. Its totient is φ = 37020960.

The previous prime is 55584047. The next prime is 55584059. The reversal of 55584057 is 75048555.

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

It is not a de Polignac number, because 55584057 - 212 = 55579961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55584059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4819 + ... + 11592.

It is an arithmetic number, because the mean of its divisors is an integer number (9272780).

Almost surely, 255584057 is an apocalyptic number.

It is an amenable number.

55584057 is a deficient number, since it is larger than the sum of its proper divisors (18598183).

55584057 is a wasteful number, since it uses less digits than its factorization.

55584057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17543.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 55584057 is about 7455.4716148611. The cubic root of 55584057 is about 381.6366550477.

The spelling of 55584057 in words is "fifty-five million, five hundred eighty-four thousand, fifty-seven".

Divisors: 1 3 1129 3387 16411 49233 18528019 55584057