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55834660 = 2257398819
BaseRepresentation
bin1101010011111…
…1100000100100
310220001200202101
43110333200210
5103243202120
65312421444
71245405160
oct324774044
9126050671
1055834660
1129576452
1216847884
13b74c07b
1475b5ca0
154d7d90a
hex353f824

55834660 has 24 divisors (see below), whose sum is σ = 134003520. Its totient is φ = 19143264.

The previous prime is 55834643. The next prime is 55834663. The reversal of 55834660 is 6643855.

55834660 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 (55834663) 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 7 ways as a sum of consecutive naturals, for example, 199270 + ... + 199549.

It is an arithmetic number, because the mean of its divisors is an integer number (5583480).

Almost surely, 255834660 is an apocalyptic number.

It is an amenable number.

55834660 is an abundant number, since it is smaller than the sum of its proper divisors (78168860).

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

55834660 is a wasteful number, since it uses less digits than its factorization.

55834660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398835 (or 398833 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 55834660 is about 7472.2593638069. The cubic root of 55834660 is about 382.2093367574.

The spelling of 55834660 in words is "fifty-five million, eight hundred thirty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 398819 797638 1595276 1994095 2791733 3988190 5583466 7976380 11166932 13958665 27917330 55834660