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55068623 is a prime number
BaseRepresentation
bin1101001000010…
…0011111001111
310211121202221122
43102010133033
5103044143443
65244151155
71236034631
oct322043717
9124552848
1055068623
11290a2965
12165384bb
13b5414ac
147456a51
154c7b968
hex34847cf

55068623 has 2 divisors, whose sum is σ = 55068624. Its totient is φ = 55068622.

The previous prime is 55068613. The next prime is 55068649. The reversal of 55068623 is 32686055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55068623 - 28 = 55068367 is a prime.

It is a super-2 number, since 2×550686232 = 6065106478232258, which contains 22 as substring.

It is equal to p3286088 and since 55068623 and 3286088 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55068613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27534311 + 27534312.

It is an arithmetic number, because the mean of its divisors is an integer number (27534312).

Almost surely, 255068623 is an apocalyptic number.

55068623 is a deficient number, since it is larger than the sum of its proper divisors (1).

55068623 is an equidigital number, since it uses as much as digits as its factorization.

55068623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 55068623 is about 7420.8236065817. The cubic root of 55068623 is about 380.4533439824.

The spelling of 55068623 in words is "fifty-five million, sixty-eight thousand, six hundred twenty-three".