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53883681 = 322218087
BaseRepresentation
bin1100110110001…
…1001100100001
310202101120111220
43031203030201
5102243234211
65202525253
71223001165
oct315431441
9122346456
1053883681
1128463675
1216066829
13b218047
147228ca5
154ae5806
hex3363321

53883681 has 8 divisors (see below), whose sum is σ = 71886144. Its totient is φ = 35901840.

The previous prime is 53883649. The next prime is 53883691. The reversal of 53883681 is 18638835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53883681 - 25 = 53883649 is a prime.

It is a super-2 number, since 2×538836812 = 5806902156219522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53883631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (8985768).

Almost surely, 253883681 is an apocalyptic number.

It is an amenable number.

53883681 is a deficient number, since it is larger than the sum of its proper divisors (18002463).

53883681 is a wasteful number, since it uses less digits than its factorization.

53883681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311.

The product of its digits is 138240, while the sum is 42.

The square root of 53883681 is about 7340.5504561988. The cubic root of 53883681 is about 377.7047258753.

The spelling of 53883681 in words is "fifty-three million, eight hundred eighty-three thousand, six hundred eighty-one".

Divisors: 1 3 2221 6663 8087 24261 17961227 53883681