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55499008 = 28431503
BaseRepresentation
bin1101001110110…
…1100100000000
310212102122022211
43103231210000
5103201432013
65301311504
71242506455
oct323554400
9125378284
1055499008
1129367254
1216705594
13b662366
14752982c
154d1423d
hex34ed900

55499008 has 36 divisors (see below), whose sum is σ = 111259008. Its totient is φ = 27630080.

The previous prime is 55498987. The next prime is 55499009. The reversal of 55499008 is 80099455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55499009) 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 3 ways as a sum of consecutive naturals, for example, 110085 + ... + 110587.

It is an arithmetic number, because the mean of its divisors is an integer number (3090528).

Almost surely, 255499008 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 55499008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55629504).

55499008 is an abundant number, since it is smaller than the sum of its proper divisors (55760000).

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

55499008 is an equidigital number, since it uses as much as digits as its factorization.

55499008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 55499008 is about 7449.7656338975. The cubic root of 55499008 is about 381.4419086507.

The spelling of 55499008 in words is "fifty-five million, four hundred ninety-nine thousand, eight".

Divisors: 1 2 4 8 16 32 64 128 256 431 503 862 1006 1724 2012 3448 4024 6896 8048 13792 16096 27584 32192 55168 64384 110336 128768 216793 433586 867172 1734344 3468688 6937376 13874752 27749504 55499008