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55803768 = 23311931949
BaseRepresentation
bin1101010011011…
…1111101111000
310220000010101020
43110313331320
5103241210033
65312022440
71245216126
oct324677570
9126003336
1055803768
1129555219
1216831a20
13b73aca7
1475a8916
154d746b3
hex3537f78

55803768 has 32 divisors (see below), whose sum is σ = 139698000. Its totient is φ = 18576128.

The previous prime is 55803767. The next prime is 55803821. The reversal of 55803768 is 86730855.

It is a super-2 number, since 2×558037682 = 6228121045995648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55803763) 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 7 ways as a sum of consecutive naturals, for example, 27658 + ... + 29606.

Almost surely, 255803768 is an apocalyptic number.

It is an amenable number.

55803768 is an abundant number, since it is smaller than the sum of its proper divisors (83894232).

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

55803768 is a wasteful number, since it uses less digits than its factorization.

55803768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 55803768 is about 7470.1919654049. The cubic root of 55803768 is about 382.1388346174.

The spelling of 55803768 in words is "fifty-five million, eight hundred three thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 1193 1949 2386 3579 3898 4772 5847 7158 7796 9544 11694 14316 15592 23388 28632 46776 2325157 4650314 6975471 9300628 13950942 18601256 27901884 55803768