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54303203550 = 235223371732459
BaseRepresentation
bin110010100100101110…
…010010000011011110
312012011111001120011010
4302210232102003132
51342203110003200
640540242040050
73631453420461
oct624456220336
9165144046133
1054303203550
1121036819622
12a636049026
13517544140b
1428b204d2d8
15162c55d150
hexca4b920de

54303203550 has 192 divisors, whose sum is σ = 145218562560. Its totient is φ = 13393543680.

The previous prime is 54303203543. The next prime is 54303203551. The reversal of 54303203550 is 5530230345.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54303203551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22082221 + ... + 22084679.

It is an arithmetic number, because the mean of its divisors is an integer number (756346680).

Almost surely, 254303203550 is an apocalyptic number.

54303203550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54303203550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72609281280).

54303203550 is an abundant number, since it is smaller than the sum of its proper divisors (90915359010).

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

54303203550 is a wasteful number, since it uses less digits than its factorization.

54303203550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 54303203550 its reverse (5530230345), we get a palindrome (59833433895).

The spelling of 54303203550 in words is "fifty-four billion, three hundred three million, two hundred three thousand, five hundred fifty".