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55711716 = 2234642643
BaseRepresentation
bin1101010010000…
…1011111100100
310212211110002220
43110201133210
5103230233331
65310032340
71244353554
oct324413744
9125743086
1055711716
11294a2045
12167a86b0
13b708118
147583164
154d57296
hex35217e4

55711716 has 12 divisors (see below), whose sum is σ = 129994032. Its totient is φ = 18570568.

The previous prime is 55711687. The next prime is 55711739. The reversal of 55711716 is 61711755.

55711716 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

55711716 is strictly pandigital in base 9.

It is an unprimeable number.

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, 2321310 + ... + 2321333.

It is an arithmetic number, because the mean of its divisors is an integer number (10832836).

Almost surely, 255711716 is an apocalyptic number.

It is an amenable number.

55711716 is an abundant number, since it is smaller than the sum of its proper divisors (74282316).

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

55711716 is a wasteful number, since it uses less digits than its factorization.

55711716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642650 (or 4642648 counting only the distinct ones).

The product of its digits is 7350, while the sum is 33.

The square root of 55711716 is about 7464.0281349952. The cubic root of 55711716 is about 381.9285978952.

The spelling of 55711716 in words is "fifty-five million, seven hundred eleven thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 4642643 9285286 13927929 18570572 27855858 55711716