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552355440 = 243572133613
BaseRepresentation
bin100000111011000…
…100011001110000
31102111100120012220
4200323010121300
52112400333230
6130450521040
716454641500
oct4073043160
91374316186
10552355440
112638768aa
12134b96180
138a586650
1453503a00
153375ad10
hex20ec4670

552355440 has 240 divisors, whose sum is σ = 2145675168. Its totient is φ = 116508672.

The previous prime is 552355423. The next prime is 552355459. The reversal of 552355440 is 44553255.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151074 + ... + 154686.

Almost surely, 2552355440 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 552355440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072837584).

552355440 is an abundant number, since it is smaller than the sum of its proper divisors (1593319728).

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

552355440 is a wasteful number, since it uses less digits than its factorization.

552355440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656 (or 3643 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 552355440 is about 23502.2432971834. The cubic root of 552355440 is about 820.4892182828.

The spelling of 552355440 in words is "five hundred fifty-two million, three hundred fifty-five thousand, four hundred forty".