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55150368 = 25371359107
BaseRepresentation
bin1101001001100…
…0011100100000
310211202221002020
43102120130200
5103104302433
65250021440
71236525150
oct322303440
9124687066
1055150368
1129149319
1216577880
13b56c770
147478760
154c95cb3
hex3498720

55150368 has 192 divisors, whose sum is σ = 182891520. Its totient is φ = 14164992.

The previous prime is 55150367. The next prime is 55150379. The reversal of 55150368 is 86305155.

It is not an unprimeable number, because it can be changed into a prime (55150367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515371 + ... + 515477.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 255150368 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 55150368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91445760).

55150368 is an abundant number, since it is smaller than the sum of its proper divisors (127741152).

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

55150368 is a wasteful number, since it uses less digits than its factorization.

55150368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 55150368 is about 7426.3293759434. The cubic root of 55150368 is about 380.6415018420.

The spelling of 55150368 in words is "fifty-five million, one hundred fifty thousand, three hundred sixty-eight".