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55928811 = 319197607
BaseRepresentation
bin1101010101011…
…0011111101011
310220020110220110
43111112133223
5103304210221
65314425403
71246246521
oct325263753
9126213813
1055928811
1129630164
1216892263
13b782b93
1475dc311
154d9b776
hex35567eb

55928811 has 8 divisors (see below), whose sum is σ = 74962944. Its totient is φ = 37090280.

The previous prime is 55928809. The next prime is 55928813. The reversal of 55928811 is 11882955.

It is an interprime number because it is at equal distance from previous prime (55928809) and next prime (55928813).

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

It is a cyclic number.

It is not a de Polignac number, because 55928811 - 21 = 55928809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55928811.

It is not an unprimeable number, because it can be changed into a prime (55928813) 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, 48231 + ... + 49376.

It is an arithmetic number, because the mean of its divisors is an integer number (9370368).

Almost surely, 255928811 is an apocalyptic number.

55928811 is a deficient number, since it is larger than the sum of its proper divisors (19034133).

55928811 is a wasteful number, since it uses less digits than its factorization.

55928811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97801.

The product of its digits is 28800, while the sum is 39.

The square root of 55928811 is about 7478.5567457899. The cubic root of 55928811 is about 382.4240491687.

The spelling of 55928811 in words is "fifty-five million, nine hundred twenty-eight thousand, eight hundred eleven".

Divisors: 1 3 191 573 97607 292821 18642937 55928811