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55394304 = 21437223
BaseRepresentation
bin1101001101010…
…0000000000000
310212020022200220
43103110000000
5103140104204
65255143040
71241562300
oct323240000
9125208626
1055394304
11292a5619
1216674a80
13b6267c4
1474dd600
154ce31d9
hex34d4000

55394304 has 180 divisors, whose sum is σ = 179301024. Its totient is φ = 15138816.

The previous prime is 55394293. The next prime is 55394309. The reversal of 55394304 is 40349355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55394309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2408437 + ... + 2408459.

Almost surely, 255394304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55394304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89650512).

55394304 is an abundant number, since it is smaller than the sum of its proper divisors (123906720).

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

55394304 is an equidigital number, since it uses as much as digits as its factorization.

55394304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 55394304 is about 7442.7349811746. The cubic root of 55394304 is about 381.2018825236.

The spelling of 55394304 in words is "fifty-five million, three hundred ninety-four thousand, three hundred four".