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55190016 = 293272959
BaseRepresentation
bin1101001010001…
…0001000000000
310211211221110200
43102202020000
5103112040031
65250525200
71240051560
oct322421000
9124757420
1055190016
1129176092
1216596800
13b58481b
147488da0
154ca28e6
hex34a2200

55190016 has 240 divisors, whose sum is σ = 191505600. Its totient is φ = 14966784.

The previous prime is 55189999. The next prime is 55190021. The reversal of 55190016 is 61009155.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 935395 + ... + 935453.

It is an arithmetic number, because the mean of its divisors is an integer number (797940).

Almost surely, 255190016 is an apocalyptic number.

55190016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55190016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95752800).

55190016 is an abundant number, since it is smaller than the sum of its proper divisors (136315584).

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

55190016 is a wasteful number, since it uses less digits than its factorization.

55190016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 55190016 is about 7428.9983174046. The cubic root of 55190016 is about 380.7326953054.

The spelling of 55190016 in words is "fifty-five million, one hundred ninety thousand, sixteen".